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Finding the Third Proportional to 11,579,147 and 17,031,921

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Solution

The third proportional to 11,579,147 and 17,031,921 is: 25,052,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579,147 : 17,031,921 = 17,031,921 : x
  2. Step 2: Convert to fraction form
    11,579,147/17,031,921 = 17,031,921/x
  3. Step 3: Cross multiply
    11,579,147x = 17,031,921 × 17,031,921
  4. Step 4: Simplify right side
    11,579,147x = 290,086,332,950,241
  5. Step 5: Solve for x
    x = 290,086,332,950,241/11,579,147
  6. Step 6: Final answer
    x = 25,052,478.65

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.