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Finding the Third Proportional to 2 and 5.75

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Solution

The third proportional to 2 and 5.75 is: 16.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2 : 5.75 = 5.75 : x
  2. Step 2: Convert to fraction form
    2/5.75 = 5.75/x
  3. Step 3: Cross multiply
    2x = 5.75 × 5.75
  4. Step 4: Simplify right side
    2x = 33.06
  5. Step 5: Solve for x
    x = 33.06/2
  6. Step 6: Final answer
    x = 16.53

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Why These Related Problems?

These problems maintain the same ratio (2.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.