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Finding the Third Proportional to 176.25 and 224.75

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Solution

The third proportional to 176.25 and 224.75 is: 286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.25 : 224.75 = 224.75 : x
  2. Step 2: Convert to fraction form
    176.25/224.75 = 224.75/x
  3. Step 3: Cross multiply
    176.25x = 224.75 × 224.75
  4. Step 4: Simplify right side
    176.25x = 50,512.56
  5. Step 5: Solve for x
    x = 50,512.56/176.25
  6. Step 6: Final answer
    x = 286.60

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.