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Finding the Third Proportional to 278,919,646 and 608,060,542

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Solution

The third proportional to 278,919,646 and 608,060,542 is: 1,325,606,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,919,646 : 608,060,542 = 608,060,542 : x
  2. Step 2: Convert to fraction form
    278,919,646/608,060,542 = 608,060,542/x
  3. Step 3: Cross multiply
    278,919,646x = 608,060,542 × 608,060,542
  4. Step 4: Simplify right side
    278,919,646x = 369,737,622,737,333,760
  5. Step 5: Solve for x
    x = 369,737,622,737,333,760/278,919,646
  6. Step 6: Final answer
    x = 1,325,606,238.35

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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.