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Finding the Third Proportional to 3,511,736.81 and 7,661,622.70

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Solution

The third proportional to 3,511,736.81 and 7,661,622.70 is: 16,715,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,736.81 : 7,661,622.70 = 7,661,622.70 : x
  2. Step 2: Convert to fraction form
    3,511,736.81/7,661,622.70 = 7,661,622.70/x
  3. Step 3: Cross multiply
    3,511,736.81x = 7,661,622.70 × 7,661,622.70
  4. Step 4: Simplify right side
    3,511,736.81x = 58,700,462,400,155.58
  5. Step 5: Solve for x
    x = 58,700,462,400,155.58/3,511,736.81
  6. Step 6: Final answer
    x = 16,715,507.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.