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Finding the Third Proportional to 1.44 and 3.10

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Solution

The third proportional to 1.44 and 3.10 is: 6.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.44 : 3.10 = 3.10 : x
  2. Step 2: Convert to fraction form
    1.44/3.10 = 3.10/x
  3. Step 3: Cross multiply
    1.44x = 3.10 × 3.10
  4. Step 4: Simplify right side
    1.44x = 9.62
  5. Step 5: Solve for x
    x = 9.62/1.44
  6. Step 6: Final answer
    x = 6.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.