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Finding the Third Proportional to 1.45 and 3.44

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Solution

The third proportional to 1.45 and 3.44 is: 8.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.45 : 3.44 = 3.44 : x
  2. Step 2: Convert to fraction form
    1.45/3.44 = 3.44/x
  3. Step 3: Cross multiply
    1.45x = 3.44 × 3.44
  4. Step 4: Simplify right side
    1.45x = 11.81
  5. Step 5: Solve for x
    x = 11.81/1.45
  6. Step 6: Final answer
    x = 8.15

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.