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Finding the Third Proportional to 327.94 and 491.63

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Solution

The third proportional to 327.94 and 491.63 is: 737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.94 : 491.63 = 491.63 : x
  2. Step 2: Convert to fraction form
    327.94/491.63 = 491.63/x
  3. Step 3: Cross multiply
    327.94x = 491.63 × 491.63
  4. Step 4: Simplify right side
    327.94x = 241,695.14
  5. Step 5: Solve for x
    x = 241,695.14/327.94
  6. Step 6: Final answer
    x = 737.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.