Home / 87,820-191,677

Finding the Third Proportional to 87,820 and 191,677

Calculator

Solution

The third proportional to 87,820 and 191,677 is: 418,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,820 : 191,677 = 191,677 : x
  2. Step 2: Convert to fraction form
    87,820/191,677 = 191,677/x
  3. Step 3: Cross multiply
    87,820x = 191,677 × 191,677
  4. Step 4: Simplify right side
    87,820x = 36,740,072,329
  5. Step 5: Solve for x
    x = 36,740,072,329/87,820
  6. Step 6: Final answer
    x = 418,356.55

Related Problems

Find third proportional to 43,910 and 95,838.50
Half scale
Find third proportional to 175,640 and 383,354
Double scale
Find third proportional to 87,822 and 191,681
Similar ratio
Find third proportional to 131,730 and 287,515.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.