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Finding the Third Proportional to 1,965,631.13 and 4,204,516.88

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Solution

The third proportional to 1,965,631.13 and 4,204,516.88 is: 8,993,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,631.13 : 4,204,516.88 = 4,204,516.88 : x
  2. Step 2: Convert to fraction form
    1,965,631.13/4,204,516.88 = 4,204,516.88/x
  3. Step 3: Cross multiply
    1,965,631.13x = 4,204,516.88 × 4,204,516.88
  4. Step 4: Simplify right side
    1,965,631.13x = 17,677,962,152,159.77
  5. Step 5: Solve for x
    x = 17,677,962,152,159.77/1,965,631.13
  6. Step 6: Final answer
    x = 8,993,529.83

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.