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Finding the Third Proportional to 804,108 and 1,690,872

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Solution

The third proportional to 804,108 and 1,690,872 is: 3,555,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,108 : 1,690,872 = 1,690,872 : x
  2. Step 2: Convert to fraction form
    804,108/1,690,872 = 1,690,872/x
  3. Step 3: Cross multiply
    804,108x = 1,690,872 × 1,690,872
  4. Step 4: Simplify right side
    804,108x = 2,859,048,120,384
  5. Step 5: Solve for x
    x = 2,859,048,120,384/804,108
  6. Step 6: Final answer
    x = 3,555,552.39

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.