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Finding the Third Proportional to 363.94 and 545.06

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Solution

The third proportional to 363.94 and 545.06 is: 816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.94 : 545.06 = 545.06 : x
  2. Step 2: Convert to fraction form
    363.94/545.06 = 545.06/x
  3. Step 3: Cross multiply
    363.94x = 545.06 × 545.06
  4. Step 4: Simplify right side
    363.94x = 297,093.13
  5. Step 5: Solve for x
    x = 297,093.13/363.94
  6. Step 6: Final answer
    x = 816.33

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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.