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Finding the Third Proportional to 12,189,447 and 25,387,767

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Solution

The third proportional to 12,189,447 and 25,387,767 is: 52,876,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189,447 : 25,387,767 = 25,387,767 : x
  2. Step 2: Convert to fraction form
    12,189,447/25,387,767 = 25,387,767/x
  3. Step 3: Cross multiply
    12,189,447x = 25,387,767 × 25,387,767
  4. Step 4: Simplify right side
    12,189,447x = 644,538,713,246,289
  5. Step 5: Solve for x
    x = 644,538,713,246,289/12,189,447
  6. Step 6: Final answer
    x = 52,876,780.48

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.