Step-2

Title: Proportion

Grade: 8-a Lesson: S2-L7

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

Lesson Steps

Step Type Explanation Answer

1

Problem

Find the Mean proportional between 125 and 5.

2

Step

Given mean Proportion.

\$ 125 , 5\$

3

Clue

Mean Proportional Formula.

\$\sqrt (a \times b)\$

4

Step

First, multiply a & b.

\$\sqrt(125 \times 5) = \sqrt(225)\$

5

Step

The square root of the resulting term to get the mean proportional.

\$\sqrt(225)\$ = \$25\$

6

Answer

A


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