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Finding the Third Proportional to 190,410.75 and 451,119.38

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Solution

The third proportional to 190,410.75 and 451,119.38 is: 1,068,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,410.75 : 451,119.38 = 451,119.38 : x
  2. Step 2: Convert to fraction form
    190,410.75/451,119.38 = 451,119.38/x
  3. Step 3: Cross multiply
    190,410.75x = 451,119.38 × 451,119.38
  4. Step 4: Simplify right side
    190,410.75x = 203,508,690,500.39
  5. Step 5: Solve for x
    x = 203,508,690,500.39/190,410.75
  6. Step 6: Final answer
    x = 1,068,787.82

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.