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Finding the Third Proportional to 84,916 and 179,947

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Solution

The third proportional to 84,916 and 179,947 is: 381,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,916 : 179,947 = 179,947 : x
  2. Step 2: Convert to fraction form
    84,916/179,947 = 179,947/x
  3. Step 3: Cross multiply
    84,916x = 179,947 × 179,947
  4. Step 4: Simplify right side
    84,916x = 32,380,922,809
  5. Step 5: Solve for x
    x = 32,380,922,809/84,916
  6. Step 6: Final answer
    x = 381,328.88

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.