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Finding the Third Proportional to 5,451,205.50 and 7,940,187

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Solution

The third proportional to 5,451,205.50 and 7,940,187 is: 11,565,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,205.50 : 7,940,187 = 7,940,187 : x
  2. Step 2: Convert to fraction form
    5,451,205.50/7,940,187 = 7,940,187/x
  3. Step 3: Cross multiply
    5,451,205.50x = 7,940,187 × 7,940,187
  4. Step 4: Simplify right side
    5,451,205.50x = 63,046,569,594,969
  5. Step 5: Solve for x
    x = 63,046,569,594,969/5,451,205.50
  6. Step 6: Final answer
    x = 11,565,619.68

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.