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Finding the Third Proportional to 8,647,008 and 18,770,880

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Solution

The third proportional to 8,647,008 and 18,770,880 is: 40,747,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,008 : 18,770,880 = 18,770,880 : x
  2. Step 2: Convert to fraction form
    8,647,008/18,770,880 = 18,770,880/x
  3. Step 3: Cross multiply
    8,647,008x = 18,770,880 × 18,770,880
  4. Step 4: Simplify right side
    8,647,008x = 352,345,935,974,400
  5. Step 5: Solve for x
    x = 352,345,935,974,400/8,647,008
  6. Step 6: Final answer
    x = 40,747,728.69

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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.