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Finding the Third Proportional to 20,151 and 26,517

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Solution

The third proportional to 20,151 and 26,517 is: 34,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151 : 26,517 = 26,517 : x
  2. Step 2: Convert to fraction form
    20,151/26,517 = 26,517/x
  3. Step 3: Cross multiply
    20,151x = 26,517 × 26,517
  4. Step 4: Simplify right side
    20,151x = 703,151,289
  5. Step 5: Solve for x
    x = 703,151,289/20,151
  6. Step 6: Final answer
    x = 34,894.11

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.