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Finding the Third Proportional to 193,866 and 418,866

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Solution

The third proportional to 193,866 and 418,866 is: 904,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,866 : 418,866 = 418,866 : x
  2. Step 2: Convert to fraction form
    193,866/418,866 = 418,866/x
  3. Step 3: Cross multiply
    193,866x = 418,866 × 418,866
  4. Step 4: Simplify right side
    193,866x = 175,448,725,956
  5. Step 5: Solve for x
    x = 175,448,725,956/193,866
  6. Step 6: Final answer
    x = 904,999.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.