Home / 129,610.97-198,363.09

Finding the Third Proportional to 129,610.97 and 198,363.09

Calculator

Solution

The third proportional to 129,610.97 and 198,363.09 is: 303,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,610.97 : 198,363.09 = 198,363.09 : x
  2. Step 2: Convert to fraction form
    129,610.97/198,363.09 = 198,363.09/x
  3. Step 3: Cross multiply
    129,610.97x = 198,363.09 × 198,363.09
  4. Step 4: Simplify right side
    129,610.97x = 39,347,916,962.07
  5. Step 5: Solve for x
    x = 39,347,916,962.07/129,610.97
  6. Step 6: Final answer
    x = 303,584.78

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.