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Finding the Third Proportional to 144.25 and 190.88

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Solution

The third proportional to 144.25 and 190.88 is: 252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.25 : 190.88 = 190.88 : x
  2. Step 2: Convert to fraction form
    144.25/190.88 = 190.88/x
  3. Step 3: Cross multiply
    144.25x = 190.88 × 190.88
  4. Step 4: Simplify right side
    144.25x = 36,433.27
  5. Step 5: Solve for x
    x = 36,433.27/144.25
  6. Step 6: Final answer
    x = 252.57

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.