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Finding the Third Proportional to 1.74 and 3.41

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Solution

The third proportional to 1.74 and 3.41 is: 6.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.74 : 3.41 = 3.41 : x
  2. Step 2: Convert to fraction form
    1.74/3.41 = 3.41/x
  3. Step 3: Cross multiply
    1.74x = 3.41 × 3.41
  4. Step 4: Simplify right side
    1.74x = 11.65
  5. Step 5: Solve for x
    x = 11.65/1.74
  6. Step 6: Final answer
    x = 6.71

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.