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Finding the Third Proportional to 188,790.75 and 367,998.19

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Solution

The third proportional to 188,790.75 and 367,998.19 is: 717,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,790.75 : 367,998.19 = 367,998.19 : x
  2. Step 2: Convert to fraction form
    188,790.75/367,998.19 = 367,998.19/x
  3. Step 3: Cross multiply
    188,790.75x = 367,998.19 × 367,998.19
  4. Step 4: Simplify right side
    188,790.75x = 135,422,666,003.29
  5. Step 5: Solve for x
    x = 135,422,666,003.29/188,790.75
  6. Step 6: Final answer
    x = 717,316.21

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.