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Finding the Third Proportional to 18,486,366 and 39,895,614

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Solution

The third proportional to 18,486,366 and 39,895,614 is: 86,099,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,366 : 39,895,614 = 39,895,614 : x
  2. Step 2: Convert to fraction form
    18,486,366/39,895,614 = 39,895,614/x
  3. Step 3: Cross multiply
    18,486,366x = 39,895,614 × 39,895,614
  4. Step 4: Simplify right side
    18,486,366x = 1,591,660,016,436,996
  5. Step 5: Solve for x
    x = 1,591,660,016,436,996/18,486,366
  6. Step 6: Final answer
    x = 86,099,129.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.