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Finding the Third Proportional to 84,684 and 182,760

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Solution

The third proportional to 84,684 and 182,760 is: 394,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,684 : 182,760 = 182,760 : x
  2. Step 2: Convert to fraction form
    84,684/182,760 = 182,760/x
  3. Step 3: Cross multiply
    84,684x = 182,760 × 182,760
  4. Step 4: Simplify right side
    84,684x = 33,401,217,600
  5. Step 5: Solve for x
    x = 33,401,217,600/84,684
  6. Step 6: Final answer
    x = 394,421.82

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.