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Finding the Third Proportional to 842 and 996

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Solution

The third proportional to 842 and 996 is: 1,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    842 : 996 = 996 : x
  2. Step 2: Convert to fraction form
    842/996 = 996/x
  3. Step 3: Cross multiply
    842x = 996 × 996
  4. Step 4: Simplify right side
    842x = 992,016
  5. Step 5: Solve for x
    x = 992,016/842
  6. Step 6: Final answer
    x = 1,178.17

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Why These Related Problems?

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