Home / 87,384-131,508

Finding the Third Proportional to 87,384 and 131,508

Calculator

Solution

The third proportional to 87,384 and 131,508 is: 197,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,384 : 131,508 = 131,508 : x
  2. Step 2: Convert to fraction form
    87,384/131,508 = 131,508/x
  3. Step 3: Cross multiply
    87,384x = 131,508 × 131,508
  4. Step 4: Simplify right side
    87,384x = 17,294,354,064
  5. Step 5: Solve for x
    x = 17,294,354,064/87,384
  6. Step 6: Final answer
    x = 197,912.14

Related Problems

Find third proportional to 43,692 and 65,754
Half scale
Find third proportional to 174,768 and 263,016
Double scale
Find third proportional to 87,386 and 131,511
Similar ratio
Find third proportional to 131,076 and 197,262
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.