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Finding the Third Proportional to 44.75 and 69.25

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Solution

The third proportional to 44.75 and 69.25 is: 107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.75 : 69.25 = 69.25 : x
  2. Step 2: Convert to fraction form
    44.75/69.25 = 69.25/x
  3. Step 3: Cross multiply
    44.75x = 69.25 × 69.25
  4. Step 4: Simplify right side
    44.75x = 4,795.56
  5. Step 5: Solve for x
    x = 4,795.56/44.75
  6. Step 6: Final answer
    x = 107.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.