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Finding the Third Proportional to 514.50 and 694

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Solution

The third proportional to 514.50 and 694 is: 936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.50 : 694 = 694 : x
  2. Step 2: Convert to fraction form
    514.50/694 = 694/x
  3. Step 3: Cross multiply
    514.50x = 694 × 694
  4. Step 4: Simplify right side
    514.50x = 481,636
  5. Step 5: Solve for x
    x = 481,636/514.50
  6. Step 6: Final answer
    x = 936.12

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.