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Finding the Third Proportional to 11,348 and 18,238

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Solution

The third proportional to 11,348 and 18,238 is: 29,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348 : 18,238 = 18,238 : x
  2. Step 2: Convert to fraction form
    11,348/18,238 = 18,238/x
  3. Step 3: Cross multiply
    11,348x = 18,238 × 18,238
  4. Step 4: Simplify right side
    11,348x = 332,624,644
  5. Step 5: Solve for x
    x = 332,624,644/11,348
  6. Step 6: Final answer
    x = 29,311.30

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.