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Finding the Third Proportional to 516 and 793

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Solution

The third proportional to 516 and 793 is: 1,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    516 : 793 = 793 : x
  2. Step 2: Convert to fraction form
    516/793 = 793/x
  3. Step 3: Cross multiply
    516x = 793 × 793
  4. Step 4: Simplify right side
    516x = 628,849
  5. Step 5: Solve for x
    x = 628,849/516
  6. Step 6: Final answer
    x = 1,218.70

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.