Question

What is mean proportional of 9and 25.a)3 B)15 c)5 d)10​

Answer 1

Answer:

The mean Proportional between 9 and 25 is 15.

Step-by-step explanation:

Let x be the mean proportional between 9 and 25.

$= > \frac{9}{x} = \frac{x}{25}$

$= > x \times x = 9 \times 25$

$= > {x}^{2} = 225$

$= > x = \sqrt{225}$

$= > x = 15$