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Finding the Third Proportional to 168,561.75 and 362,135.25

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Solution

The third proportional to 168,561.75 and 362,135.25 is: 778,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,561.75 : 362,135.25 = 362,135.25 : x
  2. Step 2: Convert to fraction form
    168,561.75/362,135.25 = 362,135.25/x
  3. Step 3: Cross multiply
    168,561.75x = 362,135.25 × 362,135.25
  4. Step 4: Simplify right side
    168,561.75x = 131,141,939,292.56
  5. Step 5: Solve for x
    x = 131,141,939,292.56/168,561.75
  6. Step 6: Final answer
    x = 778,005.33

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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.