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Finding the Third Proportional to 13,793 and 20,587

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Solution

The third proportional to 13,793 and 20,587 is: 30,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793 : 20,587 = 20,587 : x
  2. Step 2: Convert to fraction form
    13,793/20,587 = 20,587/x
  3. Step 3: Cross multiply
    13,793x = 20,587 × 20,587
  4. Step 4: Simplify right side
    13,793x = 423,824,569
  5. Step 5: Solve for x
    x = 423,824,569/13,793
  6. Step 6: Final answer
    x = 30,727.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.