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Finding the Third Proportional to 114.75 and 173.25

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Solution

The third proportional to 114.75 and 173.25 is: 261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.75 : 173.25 = 173.25 : x
  2. Step 2: Convert to fraction form
    114.75/173.25 = 173.25/x
  3. Step 3: Cross multiply
    114.75x = 173.25 × 173.25
  4. Step 4: Simplify right side
    114.75x = 30,015.56
  5. Step 5: Solve for x
    x = 30,015.56/114.75
  6. Step 6: Final answer
    x = 261.57

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