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Finding the Third Proportional to 5,491,810.13 and 11,810,091.09

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Solution

The third proportional to 5,491,810.13 and 11,810,091.09 is: 25,397,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491,810.13 : 11,810,091.09 = 11,810,091.09 : x
  2. Step 2: Convert to fraction form
    5,491,810.13/11,810,091.09 = 11,810,091.09/x
  3. Step 3: Cross multiply
    5,491,810.13x = 11,810,091.09 × 11,810,091.09
  4. Step 4: Simplify right side
    5,491,810.13x = 139,478,251,642,673.08
  5. Step 5: Solve for x
    x = 139,478,251,642,673.08/5,491,810.13
  6. Step 6: Final answer
    x = 25,397,500.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.