252 is 35% of a certain number, find the number.

Let the number be $x$. Hence,

35% of $x$ = 252

⇒ $\dfrac{35}{100} \times x = 252$

⇒ $\dfrac{35x}{100} = 252$

⇒ $\dfrac{7x}{20} = 252$

⇒ $x = \dfrac{252 \times 20}{7}$

⇒ $x = \dfrac{5,040}{7}$

⇒ $x$ = 720

The number will be 720.