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Finding the Third Proportional to 40,382 and 56,587

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Solution

The third proportional to 40,382 and 56,587 is: 79,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,382 : 56,587 = 56,587 : x
  2. Step 2: Convert to fraction form
    40,382/56,587 = 56,587/x
  3. Step 3: Cross multiply
    40,382x = 56,587 × 56,587
  4. Step 4: Simplify right side
    40,382x = 3,202,088,569
  5. Step 5: Solve for x
    x = 3,202,088,569/40,382
  6. Step 6: Final answer
    x = 79,294.95

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Why These Related Problems?

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