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Finding the Third Proportional to 165.50 and 250

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Solution

The third proportional to 165.50 and 250 is: 377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.50 : 250 = 250 : x
  2. Step 2: Convert to fraction form
    165.50/250 = 250/x
  3. Step 3: Cross multiply
    165.50x = 250 × 250
  4. Step 4: Simplify right side
    165.50x = 62,500
  5. Step 5: Solve for x
    x = 62,500/165.50
  6. Step 6: Final answer
    x = 377.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.