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Finding the Third Proportional to 20,169 and 41,627

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Solution

The third proportional to 20,169 and 41,627 is: 85,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169 : 41,627 = 41,627 : x
  2. Step 2: Convert to fraction form
    20,169/41,627 = 41,627/x
  3. Step 3: Cross multiply
    20,169x = 41,627 × 41,627
  4. Step 4: Simplify right side
    20,169x = 1,732,807,129
  5. Step 5: Solve for x
    x = 1,732,807,129/20,169
  6. Step 6: Final answer
    x = 85,914.38

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.