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Finding the Third Proportional to 1,377,129 and 2,982,945

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Solution

The third proportional to 1,377,129 and 2,982,945 is: 6,461,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,129 : 2,982,945 = 2,982,945 : x
  2. Step 2: Convert to fraction form
    1,377,129/2,982,945 = 2,982,945/x
  3. Step 3: Cross multiply
    1,377,129x = 2,982,945 × 2,982,945
  4. Step 4: Simplify right side
    1,377,129x = 8,897,960,873,025
  5. Step 5: Solve for x
    x = 8,897,960,873,025/1,377,129
  6. Step 6: Final answer
    x = 6,461,239.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.