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Finding the Third Proportional to 11,361 and 17,637

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Solution

The third proportional to 11,361 and 17,637 is: 27,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361 : 17,637 = 17,637 : x
  2. Step 2: Convert to fraction form
    11,361/17,637 = 17,637/x
  3. Step 3: Cross multiply
    11,361x = 17,637 × 17,637
  4. Step 4: Simplify right side
    11,361x = 311,063,769
  5. Step 5: Solve for x
    x = 311,063,769/11,361
  6. Step 6: Final answer
    x = 27,379.96

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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.