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Finding the Third Proportional to 1,661,491 and 2,489,472

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Solution

The third proportional to 1,661,491 and 2,489,472 is: 3,730,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,491 : 2,489,472 = 2,489,472 : x
  2. Step 2: Convert to fraction form
    1,661,491/2,489,472 = 2,489,472/x
  3. Step 3: Cross multiply
    1,661,491x = 2,489,472 × 2,489,472
  4. Step 4: Simplify right side
    1,661,491x = 6,197,470,838,784
  5. Step 5: Solve for x
    x = 6,197,470,838,784/1,661,491
  6. Step 6: Final answer
    x = 3,730,065.85

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