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Finding the Third Proportional to 1,261,807.88 and 2,752,003.48

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Solution

The third proportional to 1,261,807.88 and 2,752,003.48 is: 6,002,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,807.88 : 2,752,003.48 = 2,752,003.48 : x
  2. Step 2: Convert to fraction form
    1,261,807.88/2,752,003.48 = 2,752,003.48/x
  3. Step 3: Cross multiply
    1,261,807.88x = 2,752,003.48 × 2,752,003.48
  4. Step 4: Simplify right side
    1,261,807.88x = 7,573,523,135,011.54
  5. Step 5: Solve for x
    x = 7,573,523,135,011.54/1,261,807.88
  6. Step 6: Final answer
    x = 6,002,120.68

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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.