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Finding the Third Proportional to 18,920,227 and 29,231,447

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Solution

The third proportional to 18,920,227 and 29,231,447 is: 45,162,116.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920,227 : 29,231,447 = 29,231,447 : x
  2. Step 2: Convert to fraction form
    18,920,227/29,231,447 = 29,231,447/x
  3. Step 3: Cross multiply
    18,920,227x = 29,231,447 × 29,231,447
  4. Step 4: Simplify right side
    18,920,227x = 854,477,493,713,809
  5. Step 5: Solve for x
    x = 854,477,493,713,809/18,920,227
  6. Step 6: Final answer
    x = 45,162,116.38

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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.