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Finding the Third Proportional to 20,912 and 32,295

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Solution

The third proportional to 20,912 and 32,295 is: 49,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912 : 32,295 = 32,295 : x
  2. Step 2: Convert to fraction form
    20,912/32,295 = 32,295/x
  3. Step 3: Cross multiply
    20,912x = 32,295 × 32,295
  4. Step 4: Simplify right side
    20,912x = 1,042,967,025
  5. Step 5: Solve for x
    x = 1,042,967,025/20,912
  6. Step 6: Final answer
    x = 49,874.09

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.