Home / 3,634-7,520

Finding the Third Proportional to 3,634 and 7,520

Calculator

Solution

The third proportional to 3,634 and 7,520 is: 15,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634 : 7,520 = 7,520 : x
  2. Step 2: Convert to fraction form
    3,634/7,520 = 7,520/x
  3. Step 3: Cross multiply
    3,634x = 7,520 × 7,520
  4. Step 4: Simplify right side
    3,634x = 56,550,400
  5. Step 5: Solve for x
    x = 56,550,400/3,634
  6. Step 6: Final answer
    x = 15,561.47

Related Problems

Find third proportional to 1,817 and 3,760
Half scale
Find third proportional to 7,268 and 15,040
Double scale
Find third proportional to 3,636 and 7,524
Similar ratio
Find third proportional to 5,451 and 11,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.