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Finding the Third Proportional to 424,472 and 636,672

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Solution

The third proportional to 424,472 and 636,672 is: 954,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,472 : 636,672 = 636,672 : x
  2. Step 2: Convert to fraction form
    424,472/636,672 = 636,672/x
  3. Step 3: Cross multiply
    424,472x = 636,672 × 636,672
  4. Step 4: Simplify right side
    424,472x = 405,351,235,584
  5. Step 5: Solve for x
    x = 405,351,235,584/424,472
  6. Step 6: Final answer
    x = 954,954.00

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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.