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Finding the Third Proportional to 168,081 and 351,741

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Solution

The third proportional to 168,081 and 351,741 is: 736,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,081 : 351,741 = 351,741 : x
  2. Step 2: Convert to fraction form
    168,081/351,741 = 351,741/x
  3. Step 3: Cross multiply
    168,081x = 351,741 × 351,741
  4. Step 4: Simplify right side
    168,081x = 123,721,731,081
  5. Step 5: Solve for x
    x = 123,721,731,081/168,081
  6. Step 6: Final answer
    x = 736,083.98

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.