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Finding the Third Proportional to 76,344.75 and 100,392.75

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Solution

The third proportional to 76,344.75 and 100,392.75 is: 132,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,344.75 : 100,392.75 = 100,392.75 : x
  2. Step 2: Convert to fraction form
    76,344.75/100,392.75 = 100,392.75/x
  3. Step 3: Cross multiply
    76,344.75x = 100,392.75 × 100,392.75
  4. Step 4: Simplify right side
    76,344.75x = 10,078,704,252.56
  5. Step 5: Solve for x
    x = 10,078,704,252.56/76,344.75
  6. Step 6: Final answer
    x = 132,015.68

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.