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Finding the Third Proportional to 156,098 and 335,866

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Solution

The third proportional to 156,098 and 335,866 is: 722,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,098 : 335,866 = 335,866 : x
  2. Step 2: Convert to fraction form
    156,098/335,866 = 335,866/x
  3. Step 3: Cross multiply
    156,098x = 335,866 × 335,866
  4. Step 4: Simplify right side
    156,098x = 112,805,969,956
  5. Step 5: Solve for x
    x = 112,805,969,956/156,098
  6. Step 6: Final answer
    x = 722,661.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.