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Finding the Third Proportional to 87,245.44 and 131,597.16

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Solution

The third proportional to 87,245.44 and 131,597.16 is: 198,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,245.44 : 131,597.16 = 131,597.16 : x
  2. Step 2: Convert to fraction form
    87,245.44/131,597.16 = 131,597.16/x
  3. Step 3: Cross multiply
    87,245.44x = 131,597.16 × 131,597.16
  4. Step 4: Simplify right side
    87,245.44x = 17,317,811,533.09
  5. Step 5: Solve for x
    x = 17,317,811,533.09/87,245.44
  6. Step 6: Final answer
    x = 198,495.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.