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Finding the Third Proportional to 2,163,732.75 and 3,363,628.78

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Solution

The third proportional to 2,163,732.75 and 3,363,628.78 is: 5,228,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,732.75 : 3,363,628.78 = 3,363,628.78 : x
  2. Step 2: Convert to fraction form
    2,163,732.75/3,363,628.78 = 3,363,628.78/x
  3. Step 3: Cross multiply
    2,163,732.75x = 3,363,628.78 × 3,363,628.78
  4. Step 4: Simplify right side
    2,163,732.75x = 11,313,998,578,053.36
  5. Step 5: Solve for x
    x = 11,313,998,578,053.36/2,163,732.75
  6. Step 6: Final answer
    x = 5,228,926.07

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.