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Finding the Third Proportional to 38,288,788.50 and 81,959,661

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Solution

The third proportional to 38,288,788.50 and 81,959,661 is: 175,440,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288,788.50 : 81,959,661 = 81,959,661 : x
  2. Step 2: Convert to fraction form
    38,288,788.50/81,959,661 = 81,959,661/x
  3. Step 3: Cross multiply
    38,288,788.50x = 81,959,661 × 81,959,661
  4. Step 4: Simplify right side
    38,288,788.50x = 6,717,386,031,234,921
  5. Step 5: Solve for x
    x = 6,717,386,031,234,921/38,288,788.50
  6. Step 6: Final answer
    x = 175,440,025.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.