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Finding the Third Proportional to 171 and 433.69

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Solution

The third proportional to 171 and 433.69 is: 1,099.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171 : 433.69 = 433.69 : x
  2. Step 2: Convert to fraction form
    171/433.69 = 433.69/x
  3. Step 3: Cross multiply
    171x = 433.69 × 433.69
  4. Step 4: Simplify right side
    171x = 188,084.85
  5. Step 5: Solve for x
    x = 188,084.85/171
  6. Step 6: Final answer
    x = 1,099.91

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Why These Related Problems?

These problems maintain the same ratio (2.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.