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Finding the Third Proportional to 1,965,628.69 and 4,204,512.56

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Solution

The third proportional to 1,965,628.69 and 4,204,512.56 is: 8,993,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,628.69 : 4,204,512.56 = 4,204,512.56 : x
  2. Step 2: Convert to fraction form
    1,965,628.69/4,204,512.56 = 4,204,512.56/x
  3. Step 3: Cross multiply
    1,965,628.69x = 4,204,512.56 × 4,204,512.56
  4. Step 4: Simplify right side
    1,965,628.69x = 17,677,925,888,220.32
  5. Step 5: Solve for x
    x = 17,677,925,888,220.32/1,965,628.69
  6. Step 6: Final answer
    x = 8,993,522.53

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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.