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Finding the Third Proportional to 327.94 and 439.88

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Solution

The third proportional to 327.94 and 439.88 is: 590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.94 : 439.88 = 439.88 : x
  2. Step 2: Convert to fraction form
    327.94/439.88 = 439.88/x
  3. Step 3: Cross multiply
    327.94x = 439.88 × 439.88
  4. Step 4: Simplify right side
    327.94x = 193,490.02
  5. Step 5: Solve for x
    x = 193,490.02/327.94
  6. Step 6: Final answer
    x = 590.02

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.