Question

Mean proportion between 3 and 12 is

Answer 1

Mean proportion = √ab

= √ 12×3 = √36 = 6.

Answer 2

Answer:

The Mean proportion is 6.

Step-by-step explanation:

let the mean proportion be x.Then it looks like,

3:x::x:12

⇒$\frac{3}{x}$=$\frac{x}{12}$

⇒x²=3×12

⇒x=√36

⇒x=6

Therefore,the Mean proportion is 6.