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Finding the Third Proportional to 1,378,654 and 3,029,439

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Solution

The third proportional to 1,378,654 and 3,029,439 is: 6,656,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,654 : 3,029,439 = 3,029,439 : x
  2. Step 2: Convert to fraction form
    1,378,654/3,029,439 = 3,029,439/x
  3. Step 3: Cross multiply
    1,378,654x = 3,029,439 × 3,029,439
  4. Step 4: Simplify right side
    1,378,654x = 9,177,500,654,721
  5. Step 5: Solve for x
    x = 9,177,500,654,721/1,378,654
  6. Step 6: Final answer
    x = 6,656,855.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.