If $9, x, 25$ are in continued proportion (so $x$ is the mean proportional), $x$ equals

If $9, x, 25$ are in continued proportion (so $x$ is the mean proportional), $x$ equals
  1. $15$
  2. $17$
  3. $\dfrac{34}{2}$
  4. $\sqrt{34}$

Solution

$x = \sqrt{9 \times 25} = 15$.

Asked in: MH-SSC-9

Practice more Ratio and Proportion questions on Aicharya