Home / 187,748-391,028

Finding the Third Proportional to 187,748 and 391,028

Calculator

Solution

The third proportional to 187,748 and 391,028 is: 814,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,748 : 391,028 = 391,028 : x
  2. Step 2: Convert to fraction form
    187,748/391,028 = 391,028/x
  3. Step 3: Cross multiply
    187,748x = 391,028 × 391,028
  4. Step 4: Simplify right side
    187,748x = 152,902,896,784
  5. Step 5: Solve for x
    x = 152,902,896,784/187,748
  6. Step 6: Final answer
    x = 814,404.93

Related Problems

Find third proportional to 93,874 and 195,514
Half scale
Find third proportional to 375,496 and 782,056
Double scale
Find third proportional to 187,750 and 391,032
Similar ratio
Find third proportional to 281,622 and 586,542
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.