45% of a number is 1350. What is 75% of that number?

Question: 45% of a number is 1350. What is 75% of that number?

Solution:
Let the number be x
Then,
45% of x = 1350
45x/100 = 1350
x = (1350 × 100)/45
x = 3000

75% of 3000 = 3000 × (75/100)
= 2250