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Finding the Third Proportional to 807,913 and 1,252,698

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Solution

The third proportional to 807,913 and 1,252,698 is: 1,942,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,913 : 1,252,698 = 1,252,698 : x
  2. Step 2: Convert to fraction form
    807,913/1,252,698 = 1,252,698/x
  3. Step 3: Cross multiply
    807,913x = 1,252,698 × 1,252,698
  4. Step 4: Simplify right side
    807,913x = 1,569,252,279,204
  5. Step 5: Solve for x
    x = 1,569,252,279,204/807,913
  6. Step 6: Final answer
    x = 1,942,353.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.