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Finding the Third Proportional to 84,620.25 and 185,845.13

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Solution

The third proportional to 84,620.25 and 185,845.13 is: 408,157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,620.25 : 185,845.13 = 185,845.13 : x
  2. Step 2: Convert to fraction form
    84,620.25/185,845.13 = 185,845.13/x
  3. Step 3: Cross multiply
    84,620.25x = 185,845.13 × 185,845.13
  4. Step 4: Simplify right side
    84,620.25x = 34,538,410,486.27
  5. Step 5: Solve for x
    x = 34,538,410,486.27/84,620.25
  6. Step 6: Final answer
    x = 408,157.75

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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.