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Finding the Third Proportional to 692 and 816

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Solution

The third proportional to 692 and 816 is: 962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    692 : 816 = 816 : x
  2. Step 2: Convert to fraction form
    692/816 = 816/x
  3. Step 3: Cross multiply
    692x = 816 × 816
  4. Step 4: Simplify right side
    692x = 665,856
  5. Step 5: Solve for x
    x = 665,856/692
  6. Step 6: Final answer
    x = 962.22

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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.