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Finding the Third Proportional to 834,408 and 1,794,609

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Solution

The third proportional to 834,408 and 1,794,609 is: 3,859,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,408 : 1,794,609 = 1,794,609 : x
  2. Step 2: Convert to fraction form
    834,408/1,794,609 = 1,794,609/x
  3. Step 3: Cross multiply
    834,408x = 1,794,609 × 1,794,609
  4. Step 4: Simplify right side
    834,408x = 3,220,621,462,881
  5. Step 5: Solve for x
    x = 3,220,621,462,881/834,408
  6. Step 6: Final answer
    x = 3,859,768.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.