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Finding the Third Proportional to 149.75 and 224.50

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Solution

The third proportional to 149.75 and 224.50 is: 336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.75 : 224.50 = 224.50 : x
  2. Step 2: Convert to fraction form
    149.75/224.50 = 224.50/x
  3. Step 3: Cross multiply
    149.75x = 224.50 × 224.50
  4. Step 4: Simplify right side
    149.75x = 50,400.25
  5. Step 5: Solve for x
    x = 50,400.25/149.75
  6. Step 6: Final answer
    x = 336.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.