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Finding the Third Proportional to 85,920.56 and 188,652

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Solution

The third proportional to 85,920.56 and 188,652 is: 414,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,920.56 : 188,652 = 188,652 : x
  2. Step 2: Convert to fraction form
    85,920.56/188,652 = 188,652/x
  3. Step 3: Cross multiply
    85,920.56x = 188,652 × 188,652
  4. Step 4: Simplify right side
    85,920.56x = 35,589,577,104
  5. Step 5: Solve for x
    x = 35,589,577,104/85,920.56
  6. Step 6: Final answer
    x = 414,214.90

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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.