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Finding the Third Proportional to 267.50 and 303

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Solution

The third proportional to 267.50 and 303 is: 343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.50 : 303 = 303 : x
  2. Step 2: Convert to fraction form
    267.50/303 = 303/x
  3. Step 3: Cross multiply
    267.50x = 303 × 303
  4. Step 4: Simplify right side
    267.50x = 91,809
  5. Step 5: Solve for x
    x = 91,809/267.50
  6. Step 6: Final answer
    x = 343.21

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.