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Finding the Third Proportional to 20,624 and 32,169

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Solution

The third proportional to 20,624 and 32,169 is: 50,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624 : 32,169 = 32,169 : x
  2. Step 2: Convert to fraction form
    20,624/32,169 = 32,169/x
  3. Step 3: Cross multiply
    20,624x = 32,169 × 32,169
  4. Step 4: Simplify right side
    20,624x = 1,034,844,561
  5. Step 5: Solve for x
    x = 1,034,844,561/20,624
  6. Step 6: Final answer
    x = 50,176.71

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.