Home / 87,517.97-191,978.44

Finding the Third Proportional to 87,517.97 and 191,978.44

Calculator

Solution

The third proportional to 87,517.97 and 191,978.44 is: 421,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,517.97 : 191,978.44 = 191,978.44 : x
  2. Step 2: Convert to fraction form
    87,517.97/191,978.44 = 191,978.44/x
  3. Step 3: Cross multiply
    87,517.97x = 191,978.44 × 191,978.44
  4. Step 4: Simplify right side
    87,517.97x = 36,855,720,464.94
  5. Step 5: Solve for x
    x = 36,855,720,464.94/87,517.97
  6. Step 6: Final answer
    x = 421,121.75

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.