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Finding the Third Proportional to 165 and 223.50

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Solution

The third proportional to 165 and 223.50 is: 302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165 : 223.50 = 223.50 : x
  2. Step 2: Convert to fraction form
    165/223.50 = 223.50/x
  3. Step 3: Cross multiply
    165x = 223.50 × 223.50
  4. Step 4: Simplify right side
    165x = 49,952.25
  5. Step 5: Solve for x
    x = 49,952.25/165
  6. Step 6: Final answer
    x = 302.74

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.