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Finding the Third Proportional to 18,279 and 27,554

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Solution

The third proportional to 18,279 and 27,554 is: 41,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279 : 27,554 = 27,554 : x
  2. Step 2: Convert to fraction form
    18,279/27,554 = 27,554/x
  3. Step 3: Cross multiply
    18,279x = 27,554 × 27,554
  4. Step 4: Simplify right side
    18,279x = 759,222,916
  5. Step 5: Solve for x
    x = 759,222,916/18,279
  6. Step 6: Final answer
    x = 41,535.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.