Home / 48,639-72,649

Finding the Third Proportional to 48,639 and 72,649

Calculator

Solution

The third proportional to 48,639 and 72,649 is: 108,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,639 : 72,649 = 72,649 : x
  2. Step 2: Convert to fraction form
    48,639/72,649 = 72,649/x
  3. Step 3: Cross multiply
    48,639x = 72,649 × 72,649
  4. Step 4: Simplify right side
    48,639x = 5,277,877,201
  5. Step 5: Solve for x
    x = 5,277,877,201/48,639
  6. Step 6: Final answer
    x = 108,511.22

Related Problems

Find third proportional to 24,319.50 and 36,324.50
Half scale
Find third proportional to 97,278 and 145,298
Double scale
Find third proportional to 48,641 and 72,652
Similar ratio
Find third proportional to 72,958.50 and 108,973.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.