Home / 38,987-84,561

Finding the Third Proportional to 38,987 and 84,561

Calculator

Solution

The third proportional to 38,987 and 84,561 is: 183,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987 : 84,561 = 84,561 : x
  2. Step 2: Convert to fraction form
    38,987/84,561 = 84,561/x
  3. Step 3: Cross multiply
    38,987x = 84,561 × 84,561
  4. Step 4: Simplify right side
    38,987x = 7,150,562,721
  5. Step 5: Solve for x
    x = 7,150,562,721/38,987
  6. Step 6: Final answer
    x = 183,408.90

Related Problems

Find third proportional to 19,493.50 and 42,280.50
Half scale
Find third proportional to 77,974 and 169,122
Double scale
Find third proportional to 38,989 and 84,565
Similar ratio
Find third proportional to 58,480.50 and 126,841.50
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.