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Finding the Third Proportional to 17,842 and 36,765

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Solution

The third proportional to 17,842 and 36,765 is: 75,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,842 : 36,765 = 36,765 : x
  2. Step 2: Convert to fraction form
    17,842/36,765 = 36,765/x
  3. Step 3: Cross multiply
    17,842x = 36,765 × 36,765
  4. Step 4: Simplify right side
    17,842x = 1,351,665,225
  5. Step 5: Solve for x
    x = 1,351,665,225/17,842
  6. Step 6: Final answer
    x = 75,757.49

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.