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Finding the Third Proportional to 20,139,103 and 30,973,198

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Solution

The third proportional to 20,139,103 and 30,973,198 is: 47,635,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,103 : 30,973,198 = 30,973,198 : x
  2. Step 2: Convert to fraction form
    20,139,103/30,973,198 = 30,973,198/x
  3. Step 3: Cross multiply
    20,139,103x = 30,973,198 × 30,973,198
  4. Step 4: Simplify right side
    20,139,103x = 959,338,994,347,204
  5. Step 5: Solve for x
    x = 959,338,994,347,204/20,139,103
  6. Step 6: Final answer
    x = 47,635,636.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.