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Finding the Third Proportional to 238,124 and 324,278

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Solution

The third proportional to 238,124 and 324,278 is: 441,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,124 : 324,278 = 324,278 : x
  2. Step 2: Convert to fraction form
    238,124/324,278 = 324,278/x
  3. Step 3: Cross multiply
    238,124x = 324,278 × 324,278
  4. Step 4: Simplify right side
    238,124x = 105,156,221,284
  5. Step 5: Solve for x
    x = 105,156,221,284/238,124
  6. Step 6: Final answer
    x = 441,602.78

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.