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Finding the Third Proportional to 300.11 and 451.04

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Solution

The third proportional to 300.11 and 451.04 is: 677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.11 : 451.04 = 451.04 : x
  2. Step 2: Convert to fraction form
    300.11/451.04 = 451.04/x
  3. Step 3: Cross multiply
    300.11x = 451.04 × 451.04
  4. Step 4: Simplify right side
    300.11x = 203,434.47
  5. Step 5: Solve for x
    x = 203,434.47/300.11
  6. Step 6: Final answer
    x = 677.86

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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.