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Finding the Third Proportional to 11,811,794 and 18,221,384

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Solution

The third proportional to 11,811,794 and 18,221,384 is: 28,109,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811,794 : 18,221,384 = 18,221,384 : x
  2. Step 2: Convert to fraction form
    11,811,794/18,221,384 = 18,221,384/x
  3. Step 3: Cross multiply
    11,811,794x = 18,221,384 × 18,221,384
  4. Step 4: Simplify right side
    11,811,794x = 332,018,834,875,456
  5. Step 5: Solve for x
    x = 332,018,834,875,456/11,811,794
  6. Step 6: Final answer
    x = 28,109,094.59

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.