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Finding the Third Proportional to 165.50 and 271

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Solution

The third proportional to 165.50 and 271 is: 443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.50 : 271 = 271 : x
  2. Step 2: Convert to fraction form
    165.50/271 = 271/x
  3. Step 3: Cross multiply
    165.50x = 271 × 271
  4. Step 4: Simplify right side
    165.50x = 73,441
  5. Step 5: Solve for x
    x = 73,441/165.50
  6. Step 6: Final answer
    x = 443.75

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.