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Finding the Third Proportional to 3,579,606,440 and 7,261,280,920

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Solution

The third proportional to 3,579,606,440 and 7,261,280,920 is: 14,729,608,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,606,440 : 7,261,280,920 = 7,261,280,920 : x
  2. Step 2: Convert to fraction form
    3,579,606,440/7,261,280,920 = 7,261,280,920/x
  3. Step 3: Cross multiply
    3,579,606,440x = 7,261,280,920 × 7,261,280,920
  4. Step 4: Simplify right side
    3,579,606,440x = 52,726,200,599,156,047,872
  5. Step 5: Solve for x
    x = 52,726,200,599,156,047,872/3,579,606,440
  6. Step 6: Final answer
    x = 14,729,608,263.63

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.