Home / 81,144,028.13-125,690,160.38

Finding the Third Proportional to 81,144,028.13 and 125,690,160.38

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Solution

The third proportional to 81,144,028.13 and 125,690,160.38 is: 194,691,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,144,028.13 : 125,690,160.38 = 125,690,160.38 : x
  2. Step 2: Convert to fraction form
    81,144,028.13/125,690,160.38 = 125,690,160.38/x
  3. Step 3: Cross multiply
    81,144,028.13x = 125,690,160.38 × 125,690,160.38
  4. Step 4: Simplify right side
    81,144,028.13x = 15,798,016,415,093,220
  5. Step 5: Solve for x
    x = 15,798,016,415,093,220/81,144,028.13
  6. Step 6: Final answer
    x = 194,691,054.66

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.