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Finding the Third Proportional to 134.44 and 206.75

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Solution

The third proportional to 134.44 and 206.75 is: 317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.44 : 206.75 = 206.75 : x
  2. Step 2: Convert to fraction form
    134.44/206.75 = 206.75/x
  3. Step 3: Cross multiply
    134.44x = 206.75 × 206.75
  4. Step 4: Simplify right side
    134.44x = 42,745.56
  5. Step 5: Solve for x
    x = 42,745.56/134.44
  6. Step 6: Final answer
    x = 317.96

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.