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Finding the Third Proportional to 468.25 and 984.75

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Solution

The third proportional to 468.25 and 984.75 is: 2,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.25 : 984.75 = 984.75 : x
  2. Step 2: Convert to fraction form
    468.25/984.75 = 984.75/x
  3. Step 3: Cross multiply
    468.25x = 984.75 × 984.75
  4. Step 4: Simplify right side
    468.25x = 969,732.56
  5. Step 5: Solve for x
    x = 969,732.56/468.25
  6. Step 6: Final answer
    x = 2,070.97

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.