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Finding the Third Proportional to 327.66 and 873.14

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Solution

The third proportional to 327.66 and 873.14 is: 2,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.66 : 873.14 = 873.14 : x
  2. Step 2: Convert to fraction form
    327.66/873.14 = 873.14/x
  3. Step 3: Cross multiply
    327.66x = 873.14 × 873.14
  4. Step 4: Simplify right side
    327.66x = 762,374.55
  5. Step 5: Solve for x
    x = 762,374.55/327.66
  6. Step 6: Final answer
    x = 2,326.75

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Why These Related Problems?

These problems maintain the same ratio (2.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.