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Finding the Third Proportional to 692 and 792

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Solution

The third proportional to 692 and 792 is: 906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    692 : 792 = 792 : x
  2. Step 2: Convert to fraction form
    692/792 = 792/x
  3. Step 3: Cross multiply
    692x = 792 × 792
  4. Step 4: Simplify right side
    692x = 627,264
  5. Step 5: Solve for x
    x = 627,264/692
  6. Step 6: Final answer
    x = 906.45

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These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.