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Finding the Third Proportional to 200.88 and 268

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Solution

The third proportional to 200.88 and 268 is: 357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.88 : 268 = 268 : x
  2. Step 2: Convert to fraction form
    200.88/268 = 268/x
  3. Step 3: Cross multiply
    200.88x = 268 × 268
  4. Step 4: Simplify right side
    200.88x = 71,824
  5. Step 5: Solve for x
    x = 71,824/200.88
  6. Step 6: Final answer
    x = 357.56

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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.