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Finding the Third Proportional to 3.41 and 3.57

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Solution

The third proportional to 3.41 and 3.57 is: 3.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.41 : 3.57 = 3.57 : x
  2. Step 2: Convert to fraction form
    3.41/3.57 = 3.57/x
  3. Step 3: Cross multiply
    3.41x = 3.57 × 3.57
  4. Step 4: Simplify right side
    3.41x = 12.72
  5. Step 5: Solve for x
    x = 12.72/3.41
  6. Step 6: Final answer
    x = 3.73

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Why These Related Problems?

These problems maintain the same ratio (1.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.