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Finding the Third Proportional to 455,712.75 and 981,546.75

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Solution

The third proportional to 455,712.75 and 981,546.75 is: 2,114,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,712.75 : 981,546.75 = 981,546.75 : x
  2. Step 2: Convert to fraction form
    455,712.75/981,546.75 = 981,546.75/x
  3. Step 3: Cross multiply
    455,712.75x = 981,546.75 × 981,546.75
  4. Step 4: Simplify right side
    455,712.75x = 963,434,022,435.56
  5. Step 5: Solve for x
    x = 963,434,022,435.56/455,712.75
  6. Step 6: Final answer
    x = 2,114,125.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.