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Finding the Third Proportional to 753,771 and 1,640,390

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Solution

The third proportional to 753,771 and 1,640,390 is: 3,569,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,771 : 1,640,390 = 1,640,390 : x
  2. Step 2: Convert to fraction form
    753,771/1,640,390 = 1,640,390/x
  3. Step 3: Cross multiply
    753,771x = 1,640,390 × 1,640,390
  4. Step 4: Simplify right side
    753,771x = 2,690,879,352,100
  5. Step 5: Solve for x
    x = 2,690,879,352,100/753,771
  6. Step 6: Final answer
    x = 3,569,889.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.