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Finding the Third Proportional to 3,958,207 and 8,645,171

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Solution

The third proportional to 3,958,207 and 8,645,171 is: 18,882,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,207 : 8,645,171 = 8,645,171 : x
  2. Step 2: Convert to fraction form
    3,958,207/8,645,171 = 8,645,171/x
  3. Step 3: Cross multiply
    3,958,207x = 8,645,171 × 8,645,171
  4. Step 4: Simplify right side
    3,958,207x = 74,738,981,619,241
  5. Step 5: Solve for x
    x = 74,738,981,619,241/3,958,207
  6. Step 6: Final answer
    x = 18,882,029.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.