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Finding the Third Proportional to 168,731 and 366,985

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Solution

The third proportional to 168,731 and 366,985 is: 798,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,731 : 366,985 = 366,985 : x
  2. Step 2: Convert to fraction form
    168,731/366,985 = 366,985/x
  3. Step 3: Cross multiply
    168,731x = 366,985 × 366,985
  4. Step 4: Simplify right side
    168,731x = 134,677,990,225
  5. Step 5: Solve for x
    x = 134,677,990,225/168,731
  6. Step 6: Final answer
    x = 798,181.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.