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Finding the Third Proportional to 3,531,782 and 7,628,079

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Solution

The third proportional to 3,531,782 and 7,628,079 is: 16,475,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,782 : 7,628,079 = 7,628,079 : x
  2. Step 2: Convert to fraction form
    3,531,782/7,628,079 = 7,628,079/x
  3. Step 3: Cross multiply
    3,531,782x = 7,628,079 × 7,628,079
  4. Step 4: Simplify right side
    3,531,782x = 58,187,589,230,241
  5. Step 5: Solve for x
    x = 58,187,589,230,241/3,531,782
  6. Step 6: Final answer
    x = 16,475,419.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.