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Finding the Third Proportional to 1.76 and 3.46

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Solution

The third proportional to 1.76 and 3.46 is: 6.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.76 : 3.46 = 3.46 : x
  2. Step 2: Convert to fraction form
    1.76/3.46 = 3.46/x
  3. Step 3: Cross multiply
    1.76x = 3.46 × 3.46
  4. Step 4: Simplify right side
    1.76x = 11.97
  5. Step 5: Solve for x
    x = 11.97/1.76
  6. Step 6: Final answer
    x = 6.81

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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.