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Finding the Third Proportional to 168,553.50 and 362,120.81

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Solution

The third proportional to 168,553.50 and 362,120.81 is: 777,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,553.50 : 362,120.81 = 362,120.81 : x
  2. Step 2: Convert to fraction form
    168,553.50/362,120.81 = 362,120.81/x
  3. Step 3: Cross multiply
    168,553.50x = 362,120.81 × 362,120.81
  4. Step 4: Simplify right side
    168,553.50x = 131,131,482,845.66
  5. Step 5: Solve for x
    x = 131,131,482,845.66/168,553.50
  6. Step 6: Final answer
    x = 777,981.37

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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.