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Finding the Third Proportional to 61,190.44 and 91,221.19

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Solution

The third proportional to 61,190.44 and 91,221.19 is: 135,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,190.44 : 91,221.19 = 91,221.19 : x
  2. Step 2: Convert to fraction form
    61,190.44/91,221.19 = 91,221.19/x
  3. Step 3: Cross multiply
    61,190.44x = 91,221.19 × 91,221.19
  4. Step 4: Simplify right side
    61,190.44x = 8,321,305,048.91
  5. Step 5: Solve for x
    x = 8,321,305,048.91/61,190.44
  6. Step 6: Final answer
    x = 135,990.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.