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Finding the Third Proportional to 336.75 and 834.38

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Solution

The third proportional to 336.75 and 834.38 is: 2,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.75 : 834.38 = 834.38 : x
  2. Step 2: Convert to fraction form
    336.75/834.38 = 834.38/x
  3. Step 3: Cross multiply
    336.75x = 834.38 × 834.38
  4. Step 4: Simplify right side
    336.75x = 696,181.64
  5. Step 5: Solve for x
    x = 696,181.64/336.75
  6. Step 6: Final answer
    x = 2,067.35

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Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.