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Finding the Third Proportional to 20,179,773 and 31,332,825

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Solution

The third proportional to 20,179,773 and 31,332,825 is: 48,649,998.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179,773 : 31,332,825 = 31,332,825 : x
  2. Step 2: Convert to fraction form
    20,179,773/31,332,825 = 31,332,825/x
  3. Step 3: Cross multiply
    20,179,773x = 31,332,825 × 31,332,825
  4. Step 4: Simplify right side
    20,179,773x = 981,745,922,480,625
  5. Step 5: Solve for x
    x = 981,745,922,480,625/20,179,773
  6. Step 6: Final answer
    x = 48,649,998.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.