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Finding the Third Proportional to 34,674 and 75,684

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Solution

The third proportional to 34,674 and 75,684 is: 165,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,674 : 75,684 = 75,684 : x
  2. Step 2: Convert to fraction form
    34,674/75,684 = 75,684/x
  3. Step 3: Cross multiply
    34,674x = 75,684 × 75,684
  4. Step 4: Simplify right side
    34,674x = 5,728,067,856
  5. Step 5: Solve for x
    x = 5,728,067,856/34,674
  6. Step 6: Final answer
    x = 165,197.78

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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.