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Finding the Third Proportional to 190,067 and 409,476

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Solution

The third proportional to 190,067 and 409,476 is: 882,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,067 : 409,476 = 409,476 : x
  2. Step 2: Convert to fraction form
    190,067/409,476 = 409,476/x
  3. Step 3: Cross multiply
    190,067x = 409,476 × 409,476
  4. Step 4: Simplify right side
    190,067x = 167,670,594,576
  5. Step 5: Solve for x
    x = 167,670,594,576/190,067
  6. Step 6: Final answer
    x = 882,165.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.