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Finding the Third Proportional to 739,638 and 1,591,629

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Solution

The third proportional to 739,638 and 1,591,629 is: 3,425,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,638 : 1,591,629 = 1,591,629 : x
  2. Step 2: Convert to fraction form
    739,638/1,591,629 = 1,591,629/x
  3. Step 3: Cross multiply
    739,638x = 1,591,629 × 1,591,629
  4. Step 4: Simplify right side
    739,638x = 2,533,282,873,641
  5. Step 5: Solve for x
    x = 2,533,282,873,641/739,638
  6. Step 6: Final answer
    x = 3,425,030.72

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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.