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Finding the Third Proportional to 9,001,859 and 12,863,449

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Solution

The third proportional to 9,001,859 and 12,863,449 is: 18,381,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001,859 : 12,863,449 = 12,863,449 : x
  2. Step 2: Convert to fraction form
    9,001,859/12,863,449 = 12,863,449/x
  3. Step 3: Cross multiply
    9,001,859x = 12,863,449 × 12,863,449
  4. Step 4: Simplify right side
    9,001,859x = 165,468,320,175,601
  5. Step 5: Solve for x
    x = 165,468,320,175,601/9,001,859
  6. Step 6: Final answer
    x = 18,381,572.09

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.