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Finding the Third Proportional to 927.07 and 994.78

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Solution

The third proportional to 927.07 and 994.78 is: 1,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    927.07 : 994.78 = 994.78 : x
  2. Step 2: Convert to fraction form
    927.07/994.78 = 994.78/x
  3. Step 3: Cross multiply
    927.07x = 994.78 × 994.78
  4. Step 4: Simplify right side
    927.07x = 989,589.74
  5. Step 5: Solve for x
    x = 989,589.74/927.07
  6. Step 6: Final answer
    x = 1,067.44

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.