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Finding the Third Proportional to 20,564 and 41,896

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Solution

The third proportional to 20,564 and 41,896 is: 85,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564 : 41,896 = 41,896 : x
  2. Step 2: Convert to fraction form
    20,564/41,896 = 41,896/x
  3. Step 3: Cross multiply
    20,564x = 41,896 × 41,896
  4. Step 4: Simplify right side
    20,564x = 1,755,274,816
  5. Step 5: Solve for x
    x = 1,755,274,816/20,564
  6. Step 6: Final answer
    x = 85,356.68

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.