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Finding the Third Proportional to 12,251 and 18,286

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Solution

The third proportional to 12,251 and 18,286 is: 27,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251 : 18,286 = 18,286 : x
  2. Step 2: Convert to fraction form
    12,251/18,286 = 18,286/x
  3. Step 3: Cross multiply
    12,251x = 18,286 × 18,286
  4. Step 4: Simplify right side
    12,251x = 334,377,796
  5. Step 5: Solve for x
    x = 334,377,796/12,251
  6. Step 6: Final answer
    x = 27,293.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.