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Finding the Third Proportional to 271.88 and 382.13

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Solution

The third proportional to 271.88 and 382.13 is: 537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.88 : 382.13 = 382.13 : x
  2. Step 2: Convert to fraction form
    271.88/382.13 = 382.13/x
  3. Step 3: Cross multiply
    271.88x = 382.13 × 382.13
  4. Step 4: Simplify right side
    271.88x = 146,019.52
  5. Step 5: Solve for x
    x = 146,019.52/271.88
  6. Step 6: Final answer
    x = 537.08

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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.