Home / 72,660-156,988

Finding the Third Proportional to 72,660 and 156,988

Calculator

Solution

The third proportional to 72,660 and 156,988 is: 339,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,660 : 156,988 = 156,988 : x
  2. Step 2: Convert to fraction form
    72,660/156,988 = 156,988/x
  3. Step 3: Cross multiply
    72,660x = 156,988 × 156,988
  4. Step 4: Simplify right side
    72,660x = 24,645,232,144
  5. Step 5: Solve for x
    x = 24,645,232,144/72,660
  6. Step 6: Final answer
    x = 339,185.69

Related Problems

Find third proportional to 36,330 and 78,494
Half scale
Find third proportional to 145,320 and 313,976
Double scale
Find third proportional to 72,662 and 156,992
Similar ratio
Find third proportional to 108,990 and 235,482
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.