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Finding the Third Proportional to 8,389,315.50 and 18,379,311

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Solution

The third proportional to 8,389,315.50 and 18,379,311 is: 40,265,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,315.50 : 18,379,311 = 18,379,311 : x
  2. Step 2: Convert to fraction form
    8,389,315.50/18,379,311 = 18,379,311/x
  3. Step 3: Cross multiply
    8,389,315.50x = 18,379,311 × 18,379,311
  4. Step 4: Simplify right side
    8,389,315.50x = 337,799,072,834,721
  5. Step 5: Solve for x
    x = 337,799,072,834,721/8,389,315.50
  6. Step 6: Final answer
    x = 40,265,391.48

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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.