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Title: Ratio & Proportion

Grade: 1300-a Lesson: S4-L8

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step	Type	Explanation	Answer
1	Problem	Find the third proportion to 3 , 6.
2	Step	Let us take the third proportion is	\$x\$
3	Step	We can write the above numbers in the proportional form (a : b :: b : c)	\$3 : 6::6 : x \$
4	Hint	\$a/b::b/c\$
5	Step	Here a = 3 , b = 6 , c = x
6	Step	Let us find the x value	x = \$ (6 \times 6)/3\$ x = \$12\$
7	SumUp	Can you summarize what you’ve understood in the above steps?
8	Choice.A	Incorrect, as the correct third proportion is 12	14
9	Choice.B	Incorrect, as the correct third proportion is 12	13
10	Choice.C	This is correct because it represents the third proportion to the numbers 3 and 6	12
11	Choice.D	Incorrect, as it also doesn’t match the calculated third proportion	11
12	Answer	Option	C
13	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Find the third proportion to 3 , 6.

Step

Let us take the third proportion is

\$x\$

Step

We can write the above numbers in the proportional form
(a : b :: b : c)

\$3 : 6::6 : x \$

Hint

\$a/b::b/c\$

Step

Here a = 3 , b = 6 , c = x

Step

Let us find the x value

x = \$ (6 \times 6)/3\$

x = \$12\$

SumUp

Can you summarize what you’ve understood in the above steps?

Choice.A

Incorrect, as the correct third proportion is 12

Choice.B

Incorrect, as the correct third proportion is 12

Choice.C

This is correct because it represents the third proportion to the numbers 3 and 6

Choice.D

Incorrect, as it also doesn’t match the calculated third proportion

Answer

Option

SumUp

Can you summarize what you’ve understood in the above steps?