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Finding the Third Proportional to 11,553.50 and 18,601

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Solution

The third proportional to 11,553.50 and 18,601 is: 29,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.50 : 18,601 = 18,601 : x
  2. Step 2: Convert to fraction form
    11,553.50/18,601 = 18,601/x
  3. Step 3: Cross multiply
    11,553.50x = 18,601 × 18,601
  4. Step 4: Simplify right side
    11,553.50x = 345,997,201
  5. Step 5: Solve for x
    x = 345,997,201/11,553.50
  6. Step 6: Final answer
    x = 29,947.39

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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.