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Finding the Third Proportional to 11,512 and 17,844

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Solution

The third proportional to 11,512 and 17,844 is: 27,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512 : 17,844 = 17,844 : x
  2. Step 2: Convert to fraction form
    11,512/17,844 = 17,844/x
  3. Step 3: Cross multiply
    11,512x = 17,844 × 17,844
  4. Step 4: Simplify right side
    11,512x = 318,408,336
  5. Step 5: Solve for x
    x = 318,408,336/11,512
  6. Step 6: Final answer
    x = 27,658.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.