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Finding the Third Proportional to 13,944,680 and 20,381,866

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Solution

The third proportional to 13,944,680 and 20,381,866 is: 29,790,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944,680 : 20,381,866 = 20,381,866 : x
  2. Step 2: Convert to fraction form
    13,944,680/20,381,866 = 20,381,866/x
  3. Step 3: Cross multiply
    13,944,680x = 20,381,866 × 20,381,866
  4. Step 4: Simplify right side
    13,944,680x = 415,420,461,641,956
  5. Step 5: Solve for x
    x = 415,420,461,641,956/13,944,680
  6. Step 6: Final answer
    x = 29,790,605.57

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.