Which number should replace x in the following equation?
​$$\frac{x}{34} = \frac{306}{x}$$​​

Correct option is A

Given
Equation:$$\frac{x}{34} = \frac{306}{x}$$​​
Solution
​$$x \times x = 306 \times 34\\x^2 = 10404\\x = \sqrt{10404}\\x = 102\\$$​​
Final Answer
So the correct answer is (a)