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Finding the Third Proportional to 442.75 and 896.75

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Solution

The third proportional to 442.75 and 896.75 is: 1,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.75 : 896.75 = 896.75 : x
  2. Step 2: Convert to fraction form
    442.75/896.75 = 896.75/x
  3. Step 3: Cross multiply
    442.75x = 896.75 × 896.75
  4. Step 4: Simplify right side
    442.75x = 804,160.56
  5. Step 5: Solve for x
    x = 804,160.56/442.75
  6. Step 6: Final answer
    x = 1,816.29

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.