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Finding the Third Proportional to 56,688.75 and 123,738.75

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Solution

The third proportional to 56,688.75 and 123,738.75 is: 270,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688.75 : 123,738.75 = 123,738.75 : x
  2. Step 2: Convert to fraction form
    56,688.75/123,738.75 = 123,738.75/x
  3. Step 3: Cross multiply
    56,688.75x = 123,738.75 × 123,738.75
  4. Step 4: Simplify right side
    56,688.75x = 15,311,278,251.56
  5. Step 5: Solve for x
    x = 15,311,278,251.56/56,688.75
  6. Step 6: Final answer
    x = 270,093.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.