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Finding the Third Proportional to 165,714 and 259,234

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Solution

The third proportional to 165,714 and 259,234 is: 405,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,714 : 259,234 = 259,234 : x
  2. Step 2: Convert to fraction form
    165,714/259,234 = 259,234/x
  3. Step 3: Cross multiply
    165,714x = 259,234 × 259,234
  4. Step 4: Simplify right side
    165,714x = 67,202,266,756
  5. Step 5: Solve for x
    x = 67,202,266,756/165,714
  6. Step 6: Final answer
    x = 405,531.62

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.