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Finding the Third Proportional to 7,934 and 18,761

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Solution

The third proportional to 7,934 and 18,761 is: 44,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934 : 18,761 = 18,761 : x
  2. Step 2: Convert to fraction form
    7,934/18,761 = 18,761/x
  3. Step 3: Cross multiply
    7,934x = 18,761 × 18,761
  4. Step 4: Simplify right side
    7,934x = 351,975,121
  5. Step 5: Solve for x
    x = 351,975,121/7,934
  6. Step 6: Final answer
    x = 44,362.88

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.