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Finding the Third Proportional to 394,086.75 and 611,460.75

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Solution

The third proportional to 394,086.75 and 611,460.75 is: 948,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,086.75 : 611,460.75 = 611,460.75 : x
  2. Step 2: Convert to fraction form
    394,086.75/611,460.75 = 611,460.75/x
  3. Step 3: Cross multiply
    394,086.75x = 611,460.75 × 611,460.75
  4. Step 4: Simplify right side
    394,086.75x = 373,884,248,790.56
  5. Step 5: Solve for x
    x = 373,884,248,790.56/394,086.75
  6. Step 6: Final answer
    x = 948,735.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.