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Finding the Third Proportional to 12,183,782 and 16,172,872

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Solution

The third proportional to 12,183,782 and 16,172,872 is: 21,468,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,782 : 16,172,872 = 16,172,872 : x
  2. Step 2: Convert to fraction form
    12,183,782/16,172,872 = 16,172,872/x
  3. Step 3: Cross multiply
    12,183,782x = 16,172,872 × 16,172,872
  4. Step 4: Simplify right side
    12,183,782x = 261,561,788,728,384
  5. Step 5: Solve for x
    x = 261,561,788,728,384/12,183,782
  6. Step 6: Final answer
    x = 21,468,029.28

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.