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Finding the Third Proportional to 692 and 734

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Solution

The third proportional to 692 and 734 is: 778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    692 : 734 = 734 : x
  2. Step 2: Convert to fraction form
    692/734 = 734/x
  3. Step 3: Cross multiply
    692x = 734 × 734
  4. Step 4: Simplify right side
    692x = 538,756
  5. Step 5: Solve for x
    x = 538,756/692
  6. Step 6: Final answer
    x = 778.55

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These problems maintain the same ratio (1.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.