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Finding the Third Proportional to 3,288 and 5,100

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Solution

The third proportional to 3,288 and 5,100 is: 7,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288 : 5,100 = 5,100 : x
  2. Step 2: Convert to fraction form
    3,288/5,100 = 5,100/x
  3. Step 3: Cross multiply
    3,288x = 5,100 × 5,100
  4. Step 4: Simplify right side
    3,288x = 26,010,000
  5. Step 5: Solve for x
    x = 26,010,000/3,288
  6. Step 6: Final answer
    x = 7,910.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.