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Finding the Third Proportional to 159.97 and 265.69

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Solution

The third proportional to 159.97 and 265.69 is: 441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.97 : 265.69 = 265.69 : x
  2. Step 2: Convert to fraction form
    159.97/265.69 = 265.69/x
  3. Step 3: Cross multiply
    159.97x = 265.69 × 265.69
  4. Step 4: Simplify right side
    159.97x = 70,589.85
  5. Step 5: Solve for x
    x = 70,589.85/159.97
  6. Step 6: Final answer
    x = 441.27

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.