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Finding the Third Proportional to 167,786 and 368,728

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Solution

The third proportional to 167,786 and 368,728 is: 810,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,786 : 368,728 = 368,728 : x
  2. Step 2: Convert to fraction form
    167,786/368,728 = 368,728/x
  3. Step 3: Cross multiply
    167,786x = 368,728 × 368,728
  4. Step 4: Simplify right side
    167,786x = 135,960,337,984
  5. Step 5: Solve for x
    x = 135,960,337,984/167,786
  6. Step 6: Final answer
    x = 810,319.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.