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Finding the Third Proportional to 8,389,369.50 and 18,379,419

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Solution

The third proportional to 8,389,369.50 and 18,379,419 is: 40,265,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,369.50 : 18,379,419 = 18,379,419 : x
  2. Step 2: Convert to fraction form
    8,389,369.50/18,379,419 = 18,379,419/x
  3. Step 3: Cross multiply
    8,389,369.50x = 18,379,419 × 18,379,419
  4. Step 4: Simplify right side
    8,389,369.50x = 337,803,042,777,561
  5. Step 5: Solve for x
    x = 337,803,042,777,561/8,389,369.50
  6. Step 6: Final answer
    x = 40,265,605.51

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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.