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Finding the Third Proportional to 140,324,589 and 218,417,656.50

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Solution

The third proportional to 140,324,589 and 218,417,656.50 is: 339,970,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,324,589 : 218,417,656.50 = 218,417,656.50 : x
  2. Step 2: Convert to fraction form
    140,324,589/218,417,656.50 = 218,417,656.50/x
  3. Step 3: Cross multiply
    140,324,589x = 218,417,656.50 × 218,417,656.50
  4. Step 4: Simplify right side
    140,324,589x = 47,706,272,670,951,992
  5. Step 5: Solve for x
    x = 47,706,272,670,951,992/140,324,589
  6. Step 6: Final answer
    x = 339,970,870.47

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.