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Finding the Third Proportional to 7,992 and 18,868

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Solution

The third proportional to 7,992 and 18,868 is: 44,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992 : 18,868 = 18,868 : x
  2. Step 2: Convert to fraction form
    7,992/18,868 = 18,868/x
  3. Step 3: Cross multiply
    7,992x = 18,868 × 18,868
  4. Step 4: Simplify right side
    7,992x = 356,001,424
  5. Step 5: Solve for x
    x = 356,001,424/7,992
  6. Step 6: Final answer
    x = 44,544.72

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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.