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Finding the Third Proportional to 327.96 and 701.31

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Solution

The third proportional to 327.96 and 701.31 is: 1,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.96 : 701.31 = 701.31 : x
  2. Step 2: Convert to fraction form
    327.96/701.31 = 701.31/x
  3. Step 3: Cross multiply
    327.96x = 701.31 × 701.31
  4. Step 4: Simplify right side
    327.96x = 491,841.96
  5. Step 5: Solve for x
    x = 491,841.96/327.96
  6. Step 6: Final answer
    x = 1,499.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.