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Finding the Third Proportional to 201,285 and 475,206.75

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Solution

The third proportional to 201,285 and 475,206.75 is: 1,121,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,285 : 475,206.75 = 475,206.75 : x
  2. Step 2: Convert to fraction form
    201,285/475,206.75 = 475,206.75/x
  3. Step 3: Cross multiply
    201,285x = 475,206.75 × 475,206.75
  4. Step 4: Simplify right side
    201,285x = 225,821,455,245.56
  5. Step 5: Solve for x
    x = 225,821,455,245.56/201,285
  6. Step 6: Final answer
    x = 1,121,899.07

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.