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Finding the Third Proportional to 819,161.25 and 1,282,201.88

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Solution

The third proportional to 819,161.25 and 1,282,201.88 is: 2,006,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,161.25 : 1,282,201.88 = 1,282,201.88 : x
  2. Step 2: Convert to fraction form
    819,161.25/1,282,201.88 = 1,282,201.88/x
  3. Step 3: Cross multiply
    819,161.25x = 1,282,201.88 × 1,282,201.88
  4. Step 4: Simplify right side
    819,161.25x = 1,644,041,648,253.52
  5. Step 5: Solve for x
    x = 1,644,041,648,253.52/819,161.25
  6. Step 6: Final answer
    x = 2,006,981.71

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.