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Finding the Third Proportional to 463.75 and 979.25

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Solution

The third proportional to 463.75 and 979.25 is: 2,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.75 : 979.25 = 979.25 : x
  2. Step 2: Convert to fraction form
    463.75/979.25 = 979.25/x
  3. Step 3: Cross multiply
    463.75x = 979.25 × 979.25
  4. Step 4: Simplify right side
    463.75x = 958,930.56
  5. Step 5: Solve for x
    x = 958,930.56/463.75
  6. Step 6: Final answer
    x = 2,067.77

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.