Home / 40,432-87,560

Finding the Third Proportional to 40,432 and 87,560

Calculator

Solution

The third proportional to 40,432 and 87,560 is: 189,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,432 : 87,560 = 87,560 : x
  2. Step 2: Convert to fraction form
    40,432/87,560 = 87,560/x
  3. Step 3: Cross multiply
    40,432x = 87,560 × 87,560
  4. Step 4: Simplify right side
    40,432x = 7,666,753,600
  5. Step 5: Solve for x
    x = 7,666,753,600/40,432
  6. Step 6: Final answer
    x = 189,620.93

Related Problems

Find third proportional to 20,216 and 43,780
Half scale
Find third proportional to 80,864 and 175,120
Double scale
Find third proportional to 40,434 and 87,564
Similar ratio
Find third proportional to 60,648 and 131,340
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.