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Finding the Third Proportional to 519,039 and 1,115,667

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Solution

The third proportional to 519,039 and 1,115,667 is: 2,398,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,039 : 1,115,667 = 1,115,667 : x
  2. Step 2: Convert to fraction form
    519,039/1,115,667 = 1,115,667/x
  3. Step 3: Cross multiply
    519,039x = 1,115,667 × 1,115,667
  4. Step 4: Simplify right side
    519,039x = 1,244,712,854,889
  5. Step 5: Solve for x
    x = 1,244,712,854,889/519,039
  6. Step 6: Final answer
    x = 2,398,110.46

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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.