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Finding the Third Proportional to 9,143,478 and 19,863,177

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Solution

The third proportional to 9,143,478 and 19,863,177 is: 43,150,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143,478 : 19,863,177 = 19,863,177 : x
  2. Step 2: Convert to fraction form
    9,143,478/19,863,177 = 19,863,177/x
  3. Step 3: Cross multiply
    9,143,478x = 19,863,177 × 19,863,177
  4. Step 4: Simplify right side
    9,143,478x = 394,545,800,533,329
  5. Step 5: Solve for x
    x = 394,545,800,533,329/9,143,478
  6. Step 6: Final answer
    x = 43,150,516.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.