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Finding the Third Proportional to 11,866 and 17,187

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Solution

The third proportional to 11,866 and 17,187 is: 24,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866 : 17,187 = 17,187 : x
  2. Step 2: Convert to fraction form
    11,866/17,187 = 17,187/x
  3. Step 3: Cross multiply
    11,866x = 17,187 × 17,187
  4. Step 4: Simplify right side
    11,866x = 295,392,969
  5. Step 5: Solve for x
    x = 295,392,969/11,866
  6. Step 6: Final answer
    x = 24,894.06

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.