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Finding the Third Proportional to 1,247,331 and 2,641,893

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Solution

The third proportional to 1,247,331 and 2,641,893 is: 5,595,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,331 : 2,641,893 = 2,641,893 : x
  2. Step 2: Convert to fraction form
    1,247,331/2,641,893 = 2,641,893/x
  3. Step 3: Cross multiply
    1,247,331x = 2,641,893 × 2,641,893
  4. Step 4: Simplify right side
    1,247,331x = 6,979,598,623,449
  5. Step 5: Solve for x
    x = 6,979,598,623,449/1,247,331
  6. Step 6: Final answer
    x = 5,595,626.68

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.