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Finding the Third Proportional to 184,175.50 and 396,690

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Solution

The third proportional to 184,175.50 and 396,690 is: 854,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,175.50 : 396,690 = 396,690 : x
  2. Step 2: Convert to fraction form
    184,175.50/396,690 = 396,690/x
  3. Step 3: Cross multiply
    184,175.50x = 396,690 × 396,690
  4. Step 4: Simplify right side
    184,175.50x = 157,362,956,100
  5. Step 5: Solve for x
    x = 157,362,956,100/184,175.50
  6. Step 6: Final answer
    x = 854,418.51

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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.