Home / 75,728-156,386

Finding the Third Proportional to 75,728 and 156,386

Calculator

Solution

The third proportional to 75,728 and 156,386 is: 322,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,728 : 156,386 = 156,386 : x
  2. Step 2: Convert to fraction form
    75,728/156,386 = 156,386/x
  3. Step 3: Cross multiply
    75,728x = 156,386 × 156,386
  4. Step 4: Simplify right side
    75,728x = 24,456,580,996
  5. Step 5: Solve for x
    x = 24,456,580,996/75,728
  6. Step 6: Final answer
    x = 322,952.95

Related Problems

Find third proportional to 37,864 and 78,193
Half scale
Find third proportional to 151,456 and 312,772
Double scale
Find third proportional to 75,730 and 156,390
Similar ratio
Find third proportional to 113,592 and 234,579
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.