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Finding the Third Proportional to 15,439.50 and 24,587

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Solution

The third proportional to 15,439.50 and 24,587 is: 39,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.50 : 24,587 = 24,587 : x
  2. Step 2: Convert to fraction form
    15,439.50/24,587 = 24,587/x
  3. Step 3: Cross multiply
    15,439.50x = 24,587 × 24,587
  4. Step 4: Simplify right side
    15,439.50x = 604,520,569
  5. Step 5: Solve for x
    x = 604,520,569/15,439.50
  6. Step 6: Final answer
    x = 39,154.15

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.