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Finding the Third Proportional to 3,979,616,719 and 8,518,274,945

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Solution

The third proportional to 3,979,616,719 and 8,518,274,945 is: 18,233,164,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,616,719 : 8,518,274,945 = 8,518,274,945 : x
  2. Step 2: Convert to fraction form
    3,979,616,719/8,518,274,945 = 8,518,274,945/x
  3. Step 3: Cross multiply
    3,979,616,719x = 8,518,274,945 × 8,518,274,945
  4. Step 4: Simplify right side
    3,979,616,719x = 72,561,008,038,614,753,280
  5. Step 5: Solve for x
    x = 72,561,008,038,614,753,280/3,979,616,719
  6. Step 6: Final answer
    x = 18,233,164,940.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.