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Finding the Third Proportional to 7,839 and 16,062.75

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Solution

The third proportional to 7,839 and 16,062.75 is: 32,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839 : 16,062.75 = 16,062.75 : x
  2. Step 2: Convert to fraction form
    7,839/16,062.75 = 16,062.75/x
  3. Step 3: Cross multiply
    7,839x = 16,062.75 × 16,062.75
  4. Step 4: Simplify right side
    7,839x = 258,011,937.56
  5. Step 5: Solve for x
    x = 258,011,937.56/7,839
  6. Step 6: Final answer
    x = 32,913.88

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.