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Finding the Third Proportional to 20,543 and 29,101

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Solution

The third proportional to 20,543 and 29,101 is: 41,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543 : 29,101 = 29,101 : x
  2. Step 2: Convert to fraction form
    20,543/29,101 = 29,101/x
  3. Step 3: Cross multiply
    20,543x = 29,101 × 29,101
  4. Step 4: Simplify right side
    20,543x = 846,868,201
  5. Step 5: Solve for x
    x = 846,868,201/20,543
  6. Step 6: Final answer
    x = 41,224.17

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.