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Finding the Third Proportional to 753,769 and 1,640,386

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Solution

The third proportional to 753,769 and 1,640,386 is: 3,569,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,769 : 1,640,386 = 1,640,386 : x
  2. Step 2: Convert to fraction form
    753,769/1,640,386 = 1,640,386/x
  3. Step 3: Cross multiply
    753,769x = 1,640,386 × 1,640,386
  4. Step 4: Simplify right side
    753,769x = 2,690,866,228,996
  5. Step 5: Solve for x
    x = 2,690,866,228,996/753,769
  6. Step 6: Final answer
    x = 3,569,881.79

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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.