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Finding the Third Proportional to 3,319.31 and 5,013.56

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Solution

The third proportional to 3,319.31 and 5,013.56 is: 7,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.31 : 5,013.56 = 5,013.56 : x
  2. Step 2: Convert to fraction form
    3,319.31/5,013.56 = 5,013.56/x
  3. Step 3: Cross multiply
    3,319.31x = 5,013.56 × 5,013.56
  4. Step 4: Simplify right side
    3,319.31x = 25,135,808.94
  5. Step 5: Solve for x
    x = 25,135,808.94/3,319.31
  6. Step 6: Final answer
    x = 7,572.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.