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Finding the Third Proportional to 311.44 and 527.06

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Solution

The third proportional to 311.44 and 527.06 is: 891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.44 : 527.06 = 527.06 : x
  2. Step 2: Convert to fraction form
    311.44/527.06 = 527.06/x
  3. Step 3: Cross multiply
    311.44x = 527.06 × 527.06
  4. Step 4: Simplify right side
    311.44x = 277,794.88
  5. Step 5: Solve for x
    x = 277,794.88/311.44
  6. Step 6: Final answer
    x = 891.98

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Why These Related Problems?

These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.