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Finding the Third Proportional to 7,812 and 16,944.75

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Solution

The third proportional to 7,812 and 16,944.75 is: 36,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812 : 16,944.75 = 16,944.75 : x
  2. Step 2: Convert to fraction form
    7,812/16,944.75 = 16,944.75/x
  3. Step 3: Cross multiply
    7,812x = 16,944.75 × 16,944.75
  4. Step 4: Simplify right side
    7,812x = 287,124,552.56
  5. Step 5: Solve for x
    x = 287,124,552.56/7,812
  6. Step 6: Final answer
    x = 36,754.30

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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.