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Finding the Third Proportional to 18,920,230 and 29,231,453

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Solution

The third proportional to 18,920,230 and 29,231,453 is: 45,162,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920,230 : 29,231,453 = 29,231,453 : x
  2. Step 2: Convert to fraction form
    18,920,230/29,231,453 = 29,231,453/x
  3. Step 3: Cross multiply
    18,920,230x = 29,231,453 × 29,231,453
  4. Step 4: Simplify right side
    18,920,230x = 854,477,844,491,209
  5. Step 5: Solve for x
    x = 854,477,844,491,209/18,920,230
  6. Step 6: Final answer
    x = 45,162,127.76

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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.