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Finding the Third Proportional to 144.28 and 187.95

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Solution

The third proportional to 144.28 and 187.95 is: 244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.28 : 187.95 = 187.95 : x
  2. Step 2: Convert to fraction form
    144.28/187.95 = 187.95/x
  3. Step 3: Cross multiply
    144.28x = 187.95 × 187.95
  4. Step 4: Simplify right side
    144.28x = 35,323.44
  5. Step 5: Solve for x
    x = 35,323.44/144.28
  6. Step 6: Final answer
    x = 244.82

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.