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Finding the Third Proportional to 817,578,726.75 and 1,793,442,447.75

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Solution

The third proportional to 817,578,726.75 and 1,793,442,447.75 is: 3,934,099,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,578,726.75 : 1,793,442,447.75 = 1,793,442,447.75 : x
  2. Step 2: Convert to fraction form
    817,578,726.75/1,793,442,447.75 = 1,793,442,447.75/x
  3. Step 3: Cross multiply
    817,578,726.75x = 1,793,442,447.75 × 1,793,442,447.75
  4. Step 4: Simplify right side
    817,578,726.75x = 3,216,435,813,391,511,552
  5. Step 5: Solve for x
    x = 3,216,435,813,391,511,552/817,578,726.75
  6. Step 6: Final answer
    x = 3,934,099,198.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.