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Finding the Third Proportional to 167.50 and 203

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Solution

The third proportional to 167.50 and 203 is: 246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.50 : 203 = 203 : x
  2. Step 2: Convert to fraction form
    167.50/203 = 203/x
  3. Step 3: Cross multiply
    167.50x = 203 × 203
  4. Step 4: Simplify right side
    167.50x = 41,209
  5. Step 5: Solve for x
    x = 41,209/167.50
  6. Step 6: Final answer
    x = 246.02

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.