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Finding the Third Proportional to 53,731,864 and 80,755,268

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Solution

The third proportional to 53,731,864 and 80,755,268 is: 121,369,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,731,864 : 80,755,268 = 80,755,268 : x
  2. Step 2: Convert to fraction form
    53,731,864/80,755,268 = 80,755,268/x
  3. Step 3: Cross multiply
    53,731,864x = 80,755,268 × 80,755,268
  4. Step 4: Simplify right side
    53,731,864x = 6,521,413,309,751,824
  5. Step 5: Solve for x
    x = 6,521,413,309,751,824/53,731,864
  6. Step 6: Final answer
    x = 121,369,571.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.