Home / 28,909-63,110

Finding the Third Proportional to 28,909 and 63,110

Calculator

Solution

The third proportional to 28,909 and 63,110 is: 137,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909 : 63,110 = 63,110 : x
  2. Step 2: Convert to fraction form
    28,909/63,110 = 63,110/x
  3. Step 3: Cross multiply
    28,909x = 63,110 × 63,110
  4. Step 4: Simplify right side
    28,909x = 3,982,872,100
  5. Step 5: Solve for x
    x = 3,982,872,100/28,909
  6. Step 6: Final answer
    x = 137,772.74

Related Problems

Find third proportional to 14,454.50 and 31,555
Half scale
Find third proportional to 57,818 and 126,220
Double scale
Find third proportional to 28,911 and 63,114
Similar ratio
Find third proportional to 43,363.50 and 94,665
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.