Home / 82,396,420-178,950,776

Finding the Third Proportional to 82,396,420 and 178,950,776

Calculator

Solution

The third proportional to 82,396,420 and 178,950,776 is: 388,650,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,396,420 : 178,950,776 = 178,950,776 : x
  2. Step 2: Convert to fraction form
    82,396,420/178,950,776 = 178,950,776/x
  3. Step 3: Cross multiply
    82,396,420x = 178,950,776 × 178,950,776
  4. Step 4: Simplify right side
    82,396,420x = 32,023,380,231,002,176
  5. Step 5: Solve for x
    x = 32,023,380,231,002,176/82,396,420
  6. Step 6: Final answer
    x = 388,650,140.76

Related Problems

Find third proportional to 41,198,210 and 89,475,388
Half scale
Find third proportional to 164,792,840 and 357,901,552
Double scale
Find third proportional to 82,396,422 and 178,950,780
Similar ratio
Find third proportional to 123,594,630 and 268,426,164
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.