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Finding the Third Proportional to 114.88 and 165.94

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Solution

The third proportional to 114.88 and 165.94 is: 239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.88 : 165.94 = 165.94 : x
  2. Step 2: Convert to fraction form
    114.88/165.94 = 165.94/x
  3. Step 3: Cross multiply
    114.88x = 165.94 × 165.94
  4. Step 4: Simplify right side
    114.88x = 27,535.25
  5. Step 5: Solve for x
    x = 27,535.25/114.88
  6. Step 6: Final answer
    x = 239.70

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.