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Finding the Third Proportional to 167,815 and 259,245

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Solution

The third proportional to 167,815 and 259,245 is: 400,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,815 : 259,245 = 259,245 : x
  2. Step 2: Convert to fraction form
    167,815/259,245 = 259,245/x
  3. Step 3: Cross multiply
    167,815x = 259,245 × 259,245
  4. Step 4: Simplify right side
    167,815x = 67,207,970,025
  5. Step 5: Solve for x
    x = 67,207,970,025/167,815
  6. Step 6: Final answer
    x = 400,488.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.