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Finding the Third Proportional to 1,942.73 and 2,922.96

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Solution

The third proportional to 1,942.73 and 2,922.96 is: 4,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.73 : 2,922.96 = 2,922.96 : x
  2. Step 2: Convert to fraction form
    1,942.73/2,922.96 = 2,922.96/x
  3. Step 3: Cross multiply
    1,942.73x = 2,922.96 × 2,922.96
  4. Step 4: Simplify right side
    1,942.73x = 8,543,700.64
  5. Step 5: Solve for x
    x = 8,543,700.64/1,942.73
  6. Step 6: Final answer
    x = 4,397.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.