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Finding the Third Proportional to 352 and 551

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Solution

The third proportional to 352 and 551 is: 862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352 : 551 = 551 : x
  2. Step 2: Convert to fraction form
    352/551 = 551/x
  3. Step 3: Cross multiply
    352x = 551 × 551
  4. Step 4: Simplify right side
    352x = 303,601
  5. Step 5: Solve for x
    x = 303,601/352
  6. Step 6: Final answer
    x = 862.50

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.