Home / 72,641-156,749

Finding the Third Proportional to 72,641 and 156,749

Calculator

Solution

The third proportional to 72,641 and 156,749 is: 338,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,641 : 156,749 = 156,749 : x
  2. Step 2: Convert to fraction form
    72,641/156,749 = 156,749/x
  3. Step 3: Cross multiply
    72,641x = 156,749 × 156,749
  4. Step 4: Simplify right side
    72,641x = 24,570,249,001
  5. Step 5: Solve for x
    x = 24,570,249,001/72,641
  6. Step 6: Final answer
    x = 338,242.16

Related Problems

Find third proportional to 36,320.50 and 78,374.50
Half scale
Find third proportional to 145,282 and 313,498
Double scale
Find third proportional to 72,643 and 156,753
Similar ratio
Find third proportional to 108,961.50 and 235,123.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.