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Finding the Third Proportional to 266.50 and 548

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Solution

The third proportional to 266.50 and 548 is: 1,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.50 : 548 = 548 : x
  2. Step 2: Convert to fraction form
    266.50/548 = 548/x
  3. Step 3: Cross multiply
    266.50x = 548 × 548
  4. Step 4: Simplify right side
    266.50x = 300,304
  5. Step 5: Solve for x
    x = 300,304/266.50
  6. Step 6: Final answer
    x = 1,126.84

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.