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Finding the Third Proportional to 1,998.56 and 4,296.94

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Solution

The third proportional to 1,998.56 and 4,296.94 is: 9,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.56 : 4,296.94 = 4,296.94 : x
  2. Step 2: Convert to fraction form
    1,998.56/4,296.94 = 4,296.94/x
  3. Step 3: Cross multiply
    1,998.56x = 4,296.94 × 4,296.94
  4. Step 4: Simplify right side
    1,998.56x = 18,463,671.88
  5. Step 5: Solve for x
    x = 18,463,671.88/1,998.56
  6. Step 6: Final answer
    x = 9,238.48

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.