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Finding the Third Proportional to 9,524,869 and 20,899,530

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Solution

The third proportional to 9,524,869 and 20,899,530 is: 45,857,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,524,869 : 20,899,530 = 20,899,530 : x
  2. Step 2: Convert to fraction form
    9,524,869/20,899,530 = 20,899,530/x
  3. Step 3: Cross multiply
    9,524,869x = 20,899,530 × 20,899,530
  4. Step 4: Simplify right side
    9,524,869x = 436,790,354,220,900
  5. Step 5: Solve for x
    x = 436,790,354,220,900/9,524,869
  6. Step 6: Final answer
    x = 45,857,885.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.