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Finding the Third Proportional to 627,802,974 and 1,351,553,388

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Solution

The third proportional to 627,802,974 and 1,351,553,388 is: 2,909,665,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,802,974 : 1,351,553,388 = 1,351,553,388 : x
  2. Step 2: Convert to fraction form
    627,802,974/1,351,553,388 = 1,351,553,388/x
  3. Step 3: Cross multiply
    627,802,974x = 1,351,553,388 × 1,351,553,388
  4. Step 4: Simplify right side
    627,802,974x = 1,826,696,560,614,278,656
  5. Step 5: Solve for x
    x = 1,826,696,560,614,278,656/627,802,974
  6. Step 6: Final answer
    x = 2,909,665,350.86

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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.