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Finding the Third Proportional to 3.01 and 3.45

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Solution

The third proportional to 3.01 and 3.45 is: 3.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.01 : 3.45 = 3.45 : x
  2. Step 2: Convert to fraction form
    3.01/3.45 = 3.45/x
  3. Step 3: Cross multiply
    3.01x = 3.45 × 3.45
  4. Step 4: Simplify right side
    3.01x = 11.92
  5. Step 5: Solve for x
    x = 11.92/3.01
  6. Step 6: Final answer
    x = 3.96

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.