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Finding the Third Proportional to 224.25 and 351.75

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Solution

The third proportional to 224.25 and 351.75 is: 551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.25 : 351.75 = 351.75 : x
  2. Step 2: Convert to fraction form
    224.25/351.75 = 351.75/x
  3. Step 3: Cross multiply
    224.25x = 351.75 × 351.75
  4. Step 4: Simplify right side
    224.25x = 123,728.06
  5. Step 5: Solve for x
    x = 123,728.06/224.25
  6. Step 6: Final answer
    x = 551.74

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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.