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Finding the Third Proportional to 114.13 and 171.88

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Solution

The third proportional to 114.13 and 171.88 is: 258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.13 : 171.88 = 171.88 : x
  2. Step 2: Convert to fraction form
    114.13/171.88 = 171.88/x
  3. Step 3: Cross multiply
    114.13x = 171.88 × 171.88
  4. Step 4: Simplify right side
    114.13x = 29,541.02
  5. Step 5: Solve for x
    x = 29,541.02/114.13
  6. Step 6: Final answer
    x = 258.85

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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.