Home / 87,578-131,187

Finding the Third Proportional to 87,578 and 131,187

Calculator

Solution

The third proportional to 87,578 and 131,187 is: 196,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,578 : 131,187 = 131,187 : x
  2. Step 2: Convert to fraction form
    87,578/131,187 = 131,187/x
  3. Step 3: Cross multiply
    87,578x = 131,187 × 131,187
  4. Step 4: Simplify right side
    87,578x = 17,210,028,969
  5. Step 5: Solve for x
    x = 17,210,028,969/87,578
  6. Step 6: Final answer
    x = 196,510.87

Related Problems

Find third proportional to 43,789 and 65,593.50
Half scale
Find third proportional to 175,156 and 262,374
Double scale
Find third proportional to 87,580 and 131,190
Similar ratio
Find third proportional to 131,367 and 196,780.50
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.