Home / 63,060-138,405

Finding the Third Proportional to 63,060 and 138,405

Calculator

Solution

The third proportional to 63,060 and 138,405 is: 303,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,060 : 138,405 = 138,405 : x
  2. Step 2: Convert to fraction form
    63,060/138,405 = 138,405/x
  3. Step 3: Cross multiply
    63,060x = 138,405 × 138,405
  4. Step 4: Simplify right side
    63,060x = 19,155,944,025
  5. Step 5: Solve for x
    x = 19,155,944,025/63,060
  6. Step 6: Final answer
    x = 303,773.30

Related Problems

Find third proportional to 31,530 and 69,202.50
Half scale
Find third proportional to 126,120 and 276,810
Double scale
Find third proportional to 63,062 and 138,409
Similar ratio
Find third proportional to 94,590 and 207,607.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.