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Finding the Third Proportional to 11,167 and 15,165

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Solution

The third proportional to 11,167 and 15,165 is: 20,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167 : 15,165 = 15,165 : x
  2. Step 2: Convert to fraction form
    11,167/15,165 = 15,165/x
  3. Step 3: Cross multiply
    11,167x = 15,165 × 15,165
  4. Step 4: Simplify right side
    11,167x = 229,977,225
  5. Step 5: Solve for x
    x = 229,977,225/11,167
  6. Step 6: Final answer
    x = 20,594.36

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.