Home / 81,146,488.50-125,669,454.75

Finding the Third Proportional to 81,146,488.50 and 125,669,454.75

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Solution

The third proportional to 81,146,488.50 and 125,669,454.75 is: 194,621,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,146,488.50 : 125,669,454.75 = 125,669,454.75 : x
  2. Step 2: Convert to fraction form
    81,146,488.50/125,669,454.75 = 125,669,454.75/x
  3. Step 3: Cross multiply
    81,146,488.50x = 125,669,454.75 × 125,669,454.75
  4. Step 4: Simplify right side
    81,146,488.50x = 15,792,811,857,162,298
  5. Step 5: Solve for x
    x = 15,792,811,857,162,298/81,146,488.50
  6. Step 6: Final answer
    x = 194,621,013.79

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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.