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Finding the Third Proportional to 11,811,890 and 17,956,767

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Solution

The third proportional to 11,811,890 and 17,956,767 is: 27,298,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811,890 : 17,956,767 = 17,956,767 : x
  2. Step 2: Convert to fraction form
    11,811,890/17,956,767 = 17,956,767/x
  3. Step 3: Cross multiply
    11,811,890x = 17,956,767 × 17,956,767
  4. Step 4: Simplify right side
    11,811,890x = 322,445,481,092,289
  5. Step 5: Solve for x
    x = 322,445,481,092,289/11,811,890
  6. Step 6: Final answer
    x = 27,298,381.64

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.