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Finding the Third Proportional to 519 and 834.75

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Solution

The third proportional to 519 and 834.75 is: 1,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    519 : 834.75 = 834.75 : x
  2. Step 2: Convert to fraction form
    519/834.75 = 834.75/x
  3. Step 3: Cross multiply
    519x = 834.75 × 834.75
  4. Step 4: Simplify right side
    519x = 696,807.56
  5. Step 5: Solve for x
    x = 696,807.56/519
  6. Step 6: Final answer
    x = 1,342.60

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.