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Finding the Third Proportional to 20,326 and 43,469

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Solution

The third proportional to 20,326 and 43,469 is: 92,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326 : 43,469 = 43,469 : x
  2. Step 2: Convert to fraction form
    20,326/43,469 = 43,469/x
  3. Step 3: Cross multiply
    20,326x = 43,469 × 43,469
  4. Step 4: Simplify right side
    20,326x = 1,889,553,961
  5. Step 5: Solve for x
    x = 1,889,553,961/20,326
  6. Step 6: Final answer
    x = 92,962.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.