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Finding the Third Proportional to 71 and 107.44

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Solution

The third proportional to 71 and 107.44 is: 162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71 : 107.44 = 107.44 : x
  2. Step 2: Convert to fraction form
    71/107.44 = 107.44/x
  3. Step 3: Cross multiply
    71x = 107.44 × 107.44
  4. Step 4: Simplify right side
    71x = 11,542.82
  5. Step 5: Solve for x
    x = 11,542.82/71
  6. Step 6: Final answer
    x = 162.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.