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Finding the Third Proportional to 20,832.50 and 29,163

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Solution

The third proportional to 20,832.50 and 29,163 is: 40,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.50 : 29,163 = 29,163 : x
  2. Step 2: Convert to fraction form
    20,832.50/29,163 = 29,163/x
  3. Step 3: Cross multiply
    20,832.50x = 29,163 × 29,163
  4. Step 4: Simplify right side
    20,832.50x = 850,480,569
  5. Step 5: Solve for x
    x = 850,480,569/20,832.50
  6. Step 6: Final answer
    x = 40,824.70

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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.