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Finding the Third Proportional to 5,415,881 and 11,894,698

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Solution

The third proportional to 5,415,881 and 11,894,698 is: 26,123,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,881 : 11,894,698 = 11,894,698 : x
  2. Step 2: Convert to fraction form
    5,415,881/11,894,698 = 11,894,698/x
  3. Step 3: Cross multiply
    5,415,881x = 11,894,698 × 11,894,698
  4. Step 4: Simplify right side
    5,415,881x = 141,483,840,511,204
  5. Step 5: Solve for x
    x = 141,483,840,511,204/5,415,881
  6. Step 6: Final answer
    x = 26,123,882.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.