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Finding the Third Proportional to 168,699 and 366,921.75

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Solution

The third proportional to 168,699 and 366,921.75 is: 798,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,699 : 366,921.75 = 366,921.75 : x
  2. Step 2: Convert to fraction form
    168,699/366,921.75 = 366,921.75/x
  3. Step 3: Cross multiply
    168,699x = 366,921.75 × 366,921.75
  4. Step 4: Simplify right side
    168,699x = 134,631,570,623.06
  5. Step 5: Solve for x
    x = 134,631,570,623.06/168,699
  6. Step 6: Final answer
    x = 798,057.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.