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Finding the Third Proportional to 4,991,059 and 10,218,132

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Solution

The third proportional to 4,991,059 and 10,218,132 is: 20,919,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,059 : 10,218,132 = 10,218,132 : x
  2. Step 2: Convert to fraction form
    4,991,059/10,218,132 = 10,218,132/x
  3. Step 3: Cross multiply
    4,991,059x = 10,218,132 × 10,218,132
  4. Step 4: Simplify right side
    4,991,059x = 104,410,221,569,424
  5. Step 5: Solve for x
    x = 104,410,221,569,424/4,991,059
  6. Step 6: Final answer
    x = 20,919,452.48

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.