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Finding the Third Proportional to 300.75 and 564

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Solution

The third proportional to 300.75 and 564 is: 1,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.75 : 564 = 564 : x
  2. Step 2: Convert to fraction form
    300.75/564 = 564/x
  3. Step 3: Cross multiply
    300.75x = 564 × 564
  4. Step 4: Simplify right side
    300.75x = 318,096
  5. Step 5: Solve for x
    x = 318,096/300.75
  6. Step 6: Final answer
    x = 1,057.68

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.