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Finding the Third Proportional to 100,948,081.88 and 219,124,747.13

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Solution

The third proportional to 100,948,081.88 and 219,124,747.13 is: 475,647,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,948,081.88 : 219,124,747.13 = 219,124,747.13 : x
  2. Step 2: Convert to fraction form
    100,948,081.88/219,124,747.13 = 219,124,747.13/x
  3. Step 3: Cross multiply
    100,948,081.88x = 219,124,747.13 × 219,124,747.13
  4. Step 4: Simplify right side
    100,948,081.88x = 48,015,654,802,595,192
  5. Step 5: Solve for x
    x = 48,015,654,802,595,192/100,948,081.88
  6. Step 6: Final answer
    x = 475,647,024.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.