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Finding the Third Proportional to 270,954 and 413,502.75

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Solution

The third proportional to 270,954 and 413,502.75 is: 631,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,954 : 413,502.75 = 413,502.75 : x
  2. Step 2: Convert to fraction form
    270,954/413,502.75 = 413,502.75/x
  3. Step 3: Cross multiply
    270,954x = 413,502.75 × 413,502.75
  4. Step 4: Simplify right side
    270,954x = 170,984,524,257.56
  5. Step 5: Solve for x
    x = 170,984,524,257.56/270,954
  6. Step 6: Final answer
    x = 631,046.32

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.