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Finding the Third Proportional to 454,772 and 636,126

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Solution

The third proportional to 454,772 and 636,126 is: 889,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,772 : 636,126 = 636,126 : x
  2. Step 2: Convert to fraction form
    454,772/636,126 = 636,126/x
  3. Step 3: Cross multiply
    454,772x = 636,126 × 636,126
  4. Step 4: Simplify right side
    454,772x = 404,656,287,876
  5. Step 5: Solve for x
    x = 404,656,287,876/454,772
  6. Step 6: Final answer
    x = 889,800.36

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.