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Finding the Third Proportional to 1,322.11 and 2,903.73

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Solution

The third proportional to 1,322.11 and 2,903.73 is: 6,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.11 : 2,903.73 = 2,903.73 : x
  2. Step 2: Convert to fraction form
    1,322.11/2,903.73 = 2,903.73/x
  3. Step 3: Cross multiply
    1,322.11x = 2,903.73 × 2,903.73
  4. Step 4: Simplify right side
    1,322.11x = 8,431,672.97
  5. Step 5: Solve for x
    x = 8,431,672.97/1,322.11
  6. Step 6: Final answer
    x = 6,377.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.