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Finding the Third Proportional to 20,331 and 28,593

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Solution

The third proportional to 20,331 and 28,593 is: 40,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331 : 28,593 = 28,593 : x
  2. Step 2: Convert to fraction form
    20,331/28,593 = 28,593/x
  3. Step 3: Cross multiply
    20,331x = 28,593 × 28,593
  4. Step 4: Simplify right side
    20,331x = 817,559,649
  5. Step 5: Solve for x
    x = 817,559,649/20,331
  6. Step 6: Final answer
    x = 40,212.47

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.