Question

Find the mean proportional between 25, 36

Answer 1

Answer:

the mean proportional is 30.

see the attachment for the solution.

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Answer 2

Answer:

$let \: the \: mean \: proportional = x$

$then,\: 25: x = x : 35$

$\\⟹\frac{25}{x} = \frac{x}{36}$

$\\⟹{x}^{2} = 25 \times 36$

$⟹x = \sqrt{25 \times 36}$

$⟹x = 5 \times 6$

$⟹x = 30$

$then, \: mean \: proportional = 30$