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Finding the Third Proportional to 425.81 and 926.44

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Solution

The third proportional to 425.81 and 926.44 is: 2,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.81 : 926.44 = 926.44 : x
  2. Step 2: Convert to fraction form
    425.81/926.44 = 926.44/x
  3. Step 3: Cross multiply
    425.81x = 926.44 × 926.44
  4. Step 4: Simplify right side
    425.81x = 858,286.44
  5. Step 5: Solve for x
    x = 858,286.44/425.81
  6. Step 6: Final answer
    x = 2,015.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.