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Finding the Third Proportional to 114.56 and 171.09

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Solution

The third proportional to 114.56 and 171.09 is: 255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.56 : 171.09 = 171.09 : x
  2. Step 2: Convert to fraction form
    114.56/171.09 = 171.09/x
  3. Step 3: Cross multiply
    114.56x = 171.09 × 171.09
  4. Step 4: Simplify right side
    114.56x = 29,273.07
  5. Step 5: Solve for x
    x = 29,273.07/114.56
  6. Step 6: Final answer
    x = 255.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.