Home / 84,000-124,920

Finding the Third Proportional to 84,000 and 124,920

Calculator

Solution

The third proportional to 84,000 and 124,920 is: 185,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,000 : 124,920 = 124,920 : x
  2. Step 2: Convert to fraction form
    84,000/124,920 = 124,920/x
  3. Step 3: Cross multiply
    84,000x = 124,920 × 124,920
  4. Step 4: Simplify right side
    84,000x = 15,605,006,400
  5. Step 5: Solve for x
    x = 15,605,006,400/84,000
  6. Step 6: Final answer
    x = 185,773.89

Related Problems

Find third proportional to 42,000 and 62,460
Half scale
Find third proportional to 168,000 and 249,840
Double scale
Find third proportional to 84,002 and 124,923
Similar ratio
Find third proportional to 126,000 and 187,380
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.