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Finding the Third Proportional to 818,680 and 1,722,192

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Solution

The third proportional to 818,680 and 1,722,192 is: 3,622,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,680 : 1,722,192 = 1,722,192 : x
  2. Step 2: Convert to fraction form
    818,680/1,722,192 = 1,722,192/x
  3. Step 3: Cross multiply
    818,680x = 1,722,192 × 1,722,192
  4. Step 4: Simplify right side
    818,680x = 2,965,945,284,864
  5. Step 5: Solve for x
    x = 2,965,945,284,864/818,680
  6. Step 6: Final answer
    x = 3,622,838.33

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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.