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Finding the Third Proportional to 14.75 and 39.44

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Solution

The third proportional to 14.75 and 39.44 is: 105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.75 : 39.44 = 39.44 : x
  2. Step 2: Convert to fraction form
    14.75/39.44 = 39.44/x
  3. Step 3: Cross multiply
    14.75x = 39.44 × 39.44
  4. Step 4: Simplify right side
    14.75x = 1,555.32
  5. Step 5: Solve for x
    x = 1,555.32/14.75
  6. Step 6: Final answer
    x = 105.45

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Why These Related Problems?

These problems maintain the same ratio (2.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.