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Finding the Third Proportional to 1,621,351.69 and 3,753,028.69

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Solution

The third proportional to 1,621,351.69 and 3,753,028.69 is: 8,687,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,351.69 : 3,753,028.69 = 3,753,028.69 : x
  2. Step 2: Convert to fraction form
    1,621,351.69/3,753,028.69 = 3,753,028.69/x
  3. Step 3: Cross multiply
    1,621,351.69x = 3,753,028.69 × 3,753,028.69
  4. Step 4: Simplify right side
    1,621,351.69x = 14,085,224,329,197.97
  5. Step 5: Solve for x
    x = 14,085,224,329,197.97/1,621,351.69
  6. Step 6: Final answer
    x = 8,687,334.42

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.