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Finding the Third Proportional to 84,628 and 185,866

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Solution

The third proportional to 84,628 and 185,866 is: 408,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,628 : 185,866 = 185,866 : x
  2. Step 2: Convert to fraction form
    84,628/185,866 = 185,866/x
  3. Step 3: Cross multiply
    84,628x = 185,866 × 185,866
  4. Step 4: Simplify right side
    84,628x = 34,546,169,956
  5. Step 5: Solve for x
    x = 34,546,169,956/84,628
  6. Step 6: Final answer
    x = 408,212.06

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.