Home / 83,320-129,048

Finding the Third Proportional to 83,320 and 129,048

Calculator

Solution

The third proportional to 83,320 and 129,048 is: 199,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,320 : 129,048 = 129,048 : x
  2. Step 2: Convert to fraction form
    83,320/129,048 = 129,048/x
  3. Step 3: Cross multiply
    83,320x = 129,048 × 129,048
  4. Step 4: Simplify right side
    83,320x = 16,653,386,304
  5. Step 5: Solve for x
    x = 16,653,386,304/83,320
  6. Step 6: Final answer
    x = 199,872.62

Related Problems

Find third proportional to 41,660 and 64,524
Half scale
Find third proportional to 166,640 and 258,096
Double scale
Find third proportional to 83,322 and 129,051
Similar ratio
Find third proportional to 124,980 and 193,572
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.