Home / 239,331-486,510

Finding the Third Proportional to 239,331 and 486,510

Calculator

Solution

The third proportional to 239,331 and 486,510 is: 988,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,331 : 486,510 = 486,510 : x
  2. Step 2: Convert to fraction form
    239,331/486,510 = 486,510/x
  3. Step 3: Cross multiply
    239,331x = 486,510 × 486,510
  4. Step 4: Simplify right side
    239,331x = 236,691,980,100
  5. Step 5: Solve for x
    x = 236,691,980,100/239,331
  6. Step 6: Final answer
    x = 988,973.35

Related Problems

Find third proportional to 119,665.50 and 243,255
Half scale
Find third proportional to 478,662 and 973,020
Double scale
Find third proportional to 239,333 and 486,514
Similar ratio
Find third proportional to 358,996.50 and 729,765
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.