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Finding the Third Proportional to 4,010,286 and 8,659,788

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Solution

The third proportional to 4,010,286 and 8,659,788 is: 18,699,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,010,286 : 8,659,788 = 8,659,788 : x
  2. Step 2: Convert to fraction form
    4,010,286/8,659,788 = 8,659,788/x
  3. Step 3: Cross multiply
    4,010,286x = 8,659,788 × 8,659,788
  4. Step 4: Simplify right side
    4,010,286x = 74,991,928,204,944
  5. Step 5: Solve for x
    x = 74,991,928,204,944/4,010,286
  6. Step 6: Final answer
    x = 18,699,895.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.