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Finding the Third Proportional to 17,939 and 36,608

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Solution

The third proportional to 17,939 and 36,608 is: 74,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939 : 36,608 = 36,608 : x
  2. Step 2: Convert to fraction form
    17,939/36,608 = 36,608/x
  3. Step 3: Cross multiply
    17,939x = 36,608 × 36,608
  4. Step 4: Simplify right side
    17,939x = 1,340,145,664
  5. Step 5: Solve for x
    x = 1,340,145,664/17,939
  6. Step 6: Final answer
    x = 74,705.71

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.