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Finding the Third Proportional to 144.56 and 194.44

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Solution

The third proportional to 144.56 and 194.44 is: 261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.56 : 194.44 = 194.44 : x
  2. Step 2: Convert to fraction form
    144.56/194.44 = 194.44/x
  3. Step 3: Cross multiply
    144.56x = 194.44 × 194.44
  4. Step 4: Simplify right side
    144.56x = 37,805.94
  5. Step 5: Solve for x
    x = 37,805.94/144.56
  6. Step 6: Final answer
    x = 261.52

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.