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Finding the Third Proportional to 331,258.75 and 516,571.13

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Solution

The third proportional to 331,258.75 and 516,571.13 is: 805,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,258.75 : 516,571.13 = 516,571.13 : x
  2. Step 2: Convert to fraction form
    331,258.75/516,571.13 = 516,571.13/x
  3. Step 3: Cross multiply
    331,258.75x = 516,571.13 × 516,571.13
  4. Step 4: Simplify right side
    331,258.75x = 266,845,727,183.77
  5. Step 5: Solve for x
    x = 266,845,727,183.77/331,258.75
  6. Step 6: Final answer
    x = 805,550.73

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.