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Finding the Third Proportional to 3,251,221.45 and 7,074,790.17

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Solution

The third proportional to 3,251,221.45 and 7,074,790.17 is: 15,395,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251,221.45 : 7,074,790.17 = 7,074,790.17 : x
  2. Step 2: Convert to fraction form
    3,251,221.45/7,074,790.17 = 7,074,790.17/x
  3. Step 3: Cross multiply
    3,251,221.45x = 7,074,790.17 × 7,074,790.17
  4. Step 4: Simplify right side
    3,251,221.45x = 50,052,655,976,059.09
  5. Step 5: Solve for x
    x = 50,052,655,976,059.09/3,251,221.45
  6. Step 6: Final answer
    x = 15,395,031.28

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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.