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Finding the Third Proportional to 212.50 and 452

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Solution

The third proportional to 212.50 and 452 is: 961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212.50 : 452 = 452 : x
  2. Step 2: Convert to fraction form
    212.50/452 = 452/x
  3. Step 3: Cross multiply
    212.50x = 452 × 452
  4. Step 4: Simplify right side
    212.50x = 204,304
  5. Step 5: Solve for x
    x = 204,304/212.50
  6. Step 6: Final answer
    x = 961.43

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.