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Finding the Third Proportional to 38.44 and 56.24

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Solution

The third proportional to 38.44 and 56.24 is: 82.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.44 : 56.24 = 56.24 : x
  2. Step 2: Convert to fraction form
    38.44/56.24 = 56.24/x
  3. Step 3: Cross multiply
    38.44x = 56.24 × 56.24
  4. Step 4: Simplify right side
    38.44x = 3,163.07
  5. Step 5: Solve for x
    x = 3,163.07/38.44
  6. Step 6: Final answer
    x = 82.28

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.