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Finding the Third Proportional to 729,808 and 1,603,472

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Solution

The third proportional to 729,808 and 1,603,472 is: 3,523,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,808 : 1,603,472 = 1,603,472 : x
  2. Step 2: Convert to fraction form
    729,808/1,603,472 = 1,603,472/x
  3. Step 3: Cross multiply
    729,808x = 1,603,472 × 1,603,472
  4. Step 4: Simplify right side
    729,808x = 2,571,122,454,784
  5. Step 5: Solve for x
    x = 2,571,122,454,784/729,808
  6. Step 6: Final answer
    x = 3,523,012.15

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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.