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Finding the Third Proportional to 11,639,930 and 17,620,941

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Solution

The third proportional to 11,639,930 and 17,620,941 is: 26,675,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639,930 : 17,620,941 = 17,620,941 : x
  2. Step 2: Convert to fraction form
    11,639,930/17,620,941 = 17,620,941/x
  3. Step 3: Cross multiply
    11,639,930x = 17,620,941 × 17,620,941
  4. Step 4: Simplify right side
    11,639,930x = 310,497,561,725,481
  5. Step 5: Solve for x
    x = 310,497,561,725,481/11,639,930
  6. Step 6: Final answer
    x = 26,675,208.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.