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Finding the Third Proportional to 3,670,357 and 7,971,218

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Solution

The third proportional to 3,670,357 and 7,971,218 is: 17,311,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,357 : 7,971,218 = 7,971,218 : x
  2. Step 2: Convert to fraction form
    3,670,357/7,971,218 = 7,971,218/x
  3. Step 3: Cross multiply
    3,670,357x = 7,971,218 × 7,971,218
  4. Step 4: Simplify right side
    3,670,357x = 63,540,316,403,524
  5. Step 5: Solve for x
    x = 63,540,316,403,524/3,670,357
  6. Step 6: Final answer
    x = 17,311,753.71

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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.