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Finding the Third Proportional to 40,262.63 and 87,449.63

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Solution

The third proportional to 40,262.63 and 87,449.63 is: 189,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,262.63 : 87,449.63 = 87,449.63 : x
  2. Step 2: Convert to fraction form
    40,262.63/87,449.63 = 87,449.63/x
  3. Step 3: Cross multiply
    40,262.63x = 87,449.63 × 87,449.63
  4. Step 4: Simplify right side
    40,262.63x = 7,647,436,912.64
  5. Step 5: Solve for x
    x = 7,647,436,912.64/40,262.63
  6. Step 6: Final answer
    x = 189,938.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.