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Finding the Third Proportional to 5,491,807.59 and 11,810,084.77

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Solution

The third proportional to 5,491,807.59 and 11,810,084.77 is: 25,397,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491,807.59 : 11,810,084.77 = 11,810,084.77 : x
  2. Step 2: Convert to fraction form
    5,491,807.59/11,810,084.77 = 11,810,084.77/x
  3. Step 3: Cross multiply
    5,491,807.59x = 11,810,084.77 × 11,810,084.77
  4. Step 4: Simplify right side
    5,491,807.59x = 139,478,102,171,247.72
  5. Step 5: Solve for x
    x = 139,478,102,171,247.72/5,491,807.59
  6. Step 6: Final answer
    x = 25,397,485.22

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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.