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Finding the Third Proportional to 18,163 and 27,517

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Solution

The third proportional to 18,163 and 27,517 is: 41,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163 : 27,517 = 27,517 : x
  2. Step 2: Convert to fraction form
    18,163/27,517 = 27,517/x
  3. Step 3: Cross multiply
    18,163x = 27,517 × 27,517
  4. Step 4: Simplify right side
    18,163x = 757,185,289
  5. Step 5: Solve for x
    x = 757,185,289/18,163
  6. Step 6: Final answer
    x = 41,688.34

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.