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Finding the Third Proportional to 17,764,638 and 38,872,490.25

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Solution

The third proportional to 17,764,638 and 38,872,490.25 is: 85,060,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764,638 : 38,872,490.25 = 38,872,490.25 : x
  2. Step 2: Convert to fraction form
    17,764,638/38,872,490.25 = 38,872,490.25/x
  3. Step 3: Cross multiply
    17,764,638x = 38,872,490.25 × 38,872,490.25
  4. Step 4: Simplify right side
    17,764,638x = 1,511,070,498,236,345
  5. Step 5: Solve for x
    x = 1,511,070,498,236,345/17,764,638
  6. Step 6: Final answer
    x = 85,060,584.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.