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Finding the Third Proportional to 38.44 and 51.26

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Solution

The third proportional to 38.44 and 51.26 is: 68.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.44 : 51.26 = 51.26 : x
  2. Step 2: Convert to fraction form
    38.44/51.26 = 51.26/x
  3. Step 3: Cross multiply
    38.44x = 51.26 × 51.26
  4. Step 4: Simplify right side
    38.44x = 2,627.36
  5. Step 5: Solve for x
    x = 2,627.36/38.44
  6. Step 6: Final answer
    x = 68.34

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.