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Finding the Third Proportional to 3,934,179,881 and 6,423,481,590

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Solution

The third proportional to 3,934,179,881 and 6,423,481,590 is: 10,487,856,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,179,881 : 6,423,481,590 = 6,423,481,590 : x
  2. Step 2: Convert to fraction form
    3,934,179,881/6,423,481,590 = 6,423,481,590/x
  3. Step 3: Cross multiply
    3,934,179,881x = 6,423,481,590 × 6,423,481,590
  4. Step 4: Simplify right side
    3,934,179,881x = 41,261,115,737,068,929,024
  5. Step 5: Solve for x
    x = 41,261,115,737,068,929,024/3,934,179,881
  6. Step 6: Final answer
    x = 10,487,856,932.10

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.