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Finding the Third Proportional to 442 and 964.75

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Solution

The third proportional to 442 and 964.75 is: 2,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    442 : 964.75 = 964.75 : x
  2. Step 2: Convert to fraction form
    442/964.75 = 964.75/x
  3. Step 3: Cross multiply
    442x = 964.75 × 964.75
  4. Step 4: Simplify right side
    442x = 930,742.56
  5. Step 5: Solve for x
    x = 930,742.56/442
  6. Step 6: Final answer
    x = 2,105.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.