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Finding the Third Proportional to 230.94 and 329.88

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Solution

The third proportional to 230.94 and 329.88 is: 471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.94 : 329.88 = 329.88 : x
  2. Step 2: Convert to fraction form
    230.94/329.88 = 329.88/x
  3. Step 3: Cross multiply
    230.94x = 329.88 × 329.88
  4. Step 4: Simplify right side
    230.94x = 108,817.52
  5. Step 5: Solve for x
    x = 108,817.52/230.94
  6. Step 6: Final answer
    x = 471.20

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.