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Finding the Third Proportional to 6 and 10.75

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Solution

The third proportional to 6 and 10.75 is: 19.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6 : 10.75 = 10.75 : x
  2. Step 2: Convert to fraction form
    6/10.75 = 10.75/x
  3. Step 3: Cross multiply
    6x = 10.75 × 10.75
  4. Step 4: Simplify right side
    6x = 115.56
  5. Step 5: Solve for x
    x = 115.56/6
  6. Step 6: Final answer
    x = 19.26

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.