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Finding the Third Proportional to 20,625 and 32,015

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Solution

The third proportional to 20,625 and 32,015 is: 49,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625 : 32,015 = 32,015 : x
  2. Step 2: Convert to fraction form
    20,625/32,015 = 32,015/x
  3. Step 3: Cross multiply
    20,625x = 32,015 × 32,015
  4. Step 4: Simplify right side
    20,625x = 1,024,960,225
  5. Step 5: Solve for x
    x = 1,024,960,225/20,625
  6. Step 6: Final answer
    x = 49,695.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.