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Finding the Third Proportional to 3,288 and 7,948

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Solution

The third proportional to 3,288 and 7,948 is: 19,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288 : 7,948 = 7,948 : x
  2. Step 2: Convert to fraction form
    3,288/7,948 = 7,948/x
  3. Step 3: Cross multiply
    3,288x = 7,948 × 7,948
  4. Step 4: Simplify right side
    3,288x = 63,170,704
  5. Step 5: Solve for x
    x = 63,170,704/3,288
  6. Step 6: Final answer
    x = 19,212.50

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.