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Finding the Third Proportional to 1,661,475 and 2,489,439

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Solution

The third proportional to 1,661,475 and 2,489,439 is: 3,730,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,475 : 2,489,439 = 2,489,439 : x
  2. Step 2: Convert to fraction form
    1,661,475/2,489,439 = 2,489,439/x
  3. Step 3: Cross multiply
    1,661,475x = 2,489,439 × 2,489,439
  4. Step 4: Simplify right side
    1,661,475x = 6,197,306,534,721
  5. Step 5: Solve for x
    x = 6,197,306,534,721/1,661,475
  6. Step 6: Final answer
    x = 3,730,002.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.