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Finding the Third Proportional to 190,039 and 412,934

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Solution

The third proportional to 190,039 and 412,934 is: 897,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,039 : 412,934 = 412,934 : x
  2. Step 2: Convert to fraction form
    190,039/412,934 = 412,934/x
  3. Step 3: Cross multiply
    190,039x = 412,934 × 412,934
  4. Step 4: Simplify right side
    190,039x = 170,514,488,356
  5. Step 5: Solve for x
    x = 170,514,488,356/190,039
  6. Step 6: Final answer
    x = 897,260.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.