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Finding the Third Proportional to 215,568 and 441,504

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Solution

The third proportional to 215,568 and 441,504 is: 904,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,568 : 441,504 = 441,504 : x
  2. Step 2: Convert to fraction form
    215,568/441,504 = 441,504/x
  3. Step 3: Cross multiply
    215,568x = 441,504 × 441,504
  4. Step 4: Simplify right side
    215,568x = 194,925,782,016
  5. Step 5: Solve for x
    x = 194,925,782,016/215,568
  6. Step 6: Final answer
    x = 904,242.66

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.