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Finding the Third Proportional to 4.44 and 7.57

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Solution

The third proportional to 4.44 and 7.57 is: 12.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.44 : 7.57 = 7.57 : x
  2. Step 2: Convert to fraction form
    4.44/7.57 = 7.57/x
  3. Step 3: Cross multiply
    4.44x = 7.57 × 7.57
  4. Step 4: Simplify right side
    4.44x = 57.30
  5. Step 5: Solve for x
    x = 57.30/4.44
  6. Step 6: Final answer
    x = 12.91

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.