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Finding the Third Proportional to 118.69 and 182.53

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Solution

The third proportional to 118.69 and 182.53 is: 280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.69 : 182.53 = 182.53 : x
  2. Step 2: Convert to fraction form
    118.69/182.53 = 182.53/x
  3. Step 3: Cross multiply
    118.69x = 182.53 × 182.53
  4. Step 4: Simplify right side
    118.69x = 33,317.66
  5. Step 5: Solve for x
    x = 33,317.66/118.69
  6. Step 6: Final answer
    x = 280.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.