Question

16. Mean proportion between 9 and 25 is:​

Answer 1

Answer:

Let x be the mean proportional between 9 and 25.

⇒ x 2 = 9 x 25

⇒ x 2 = 225

⇒ x = 15

Hence, the mean proportional between 9 and 25 is 15.

Answer 2

Answer:

3:5

Step-by-step explanation:

Ratio proportion:3:5