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Finding the Third Proportional to 222,115 and 324,842

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Solution

The third proportional to 222,115 and 324,842 is: 475,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,115 : 324,842 = 324,842 : x
  2. Step 2: Convert to fraction form
    222,115/324,842 = 324,842/x
  3. Step 3: Cross multiply
    222,115x = 324,842 × 324,842
  4. Step 4: Simplify right side
    222,115x = 105,522,324,964
  5. Step 5: Solve for x
    x = 105,522,324,964/222,115
  6. Step 6: Final answer
    x = 475,079.69

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.