Question

9,12ans x are in continued proportion.find the value if x​

Answer 1

Answer:

As 9,12,x are in continued proportion

$\frac{9}{12} = \frac{12}{x}$

$9 \times x \: = 12 \times 12$

$9x \: = 144$

x = 16

Answer 2

Answer:

9:12::12:x

Since, product of means=product of extremes

8×x=12×12

8x=144

x=144/8

x=16. Ans