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Finding the Third Proportional to 894.38 and 1,942.31

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Solution

The third proportional to 894.38 and 1,942.31 is: 4,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.38 : 1,942.31 = 1,942.31 : x
  2. Step 2: Convert to fraction form
    894.38/1,942.31 = 1,942.31/x
  3. Step 3: Cross multiply
    894.38x = 1,942.31 × 1,942.31
  4. Step 4: Simplify right side
    894.38x = 3,772,577.85
  5. Step 5: Solve for x
    x = 3,772,577.85/894.38
  6. Step 6: Final answer
    x = 4,218.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.