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Finding the Third Proportional to 271.94 and 382.88

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Solution

The third proportional to 271.94 and 382.88 is: 539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.94 : 382.88 = 382.88 : x
  2. Step 2: Convert to fraction form
    271.94/382.88 = 382.88/x
  3. Step 3: Cross multiply
    271.94x = 382.88 × 382.88
  4. Step 4: Simplify right side
    271.94x = 146,593.27
  5. Step 5: Solve for x
    x = 146,593.27/271.94
  6. Step 6: Final answer
    x = 539.07

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.