Question

Mean proportion of 5,20

Answer 1

To find mean proportion write it in that form

it will be-- 5:x::x:20

Then multiple the inside elements and the outside ones.

xx=5x20

Therefore xx^{2}x

2

=100

and xx^{2}x

2

==\sqrt{10}

10

and x=10.

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Answer 2

Answer:

Let us assume x as the mean proportion

→ $\frac{x}{5}$ = $\frac{x}{20}$

→ x² = 20 × 5

→ x = √100 = 10

x = 10