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Finding the Third Proportional to 336.94 and 520.97

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Solution

The third proportional to 336.94 and 520.97 is: 805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.94 : 520.97 = 520.97 : x
  2. Step 2: Convert to fraction form
    336.94/520.97 = 520.97/x
  3. Step 3: Cross multiply
    336.94x = 520.97 × 520.97
  4. Step 4: Simplify right side
    336.94x = 271,408.44
  5. Step 5: Solve for x
    x = 271,408.44/336.94
  6. Step 6: Final answer
    x = 805.52

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.