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Finding the Third Proportional to 7,139,163.50 and 10,876,005

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Solution

The third proportional to 7,139,163.50 and 10,876,005 is: 16,568,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,163.50 : 10,876,005 = 10,876,005 : x
  2. Step 2: Convert to fraction form
    7,139,163.50/10,876,005 = 10,876,005/x
  3. Step 3: Cross multiply
    7,139,163.50x = 10,876,005 × 10,876,005
  4. Step 4: Simplify right side
    7,139,163.50x = 118,287,484,760,025
  5. Step 5: Solve for x
    x = 118,287,484,760,025/7,139,163.50
  6. Step 6: Final answer
    x = 16,568,815.77

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.