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Finding the Third Proportional to 28,420,003 and 62,508,710

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Solution

The third proportional to 28,420,003 and 62,508,710 is: 137,485,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,003 : 62,508,710 = 62,508,710 : x
  2. Step 2: Convert to fraction form
    28,420,003/62,508,710 = 62,508,710/x
  3. Step 3: Cross multiply
    28,420,003x = 62,508,710 × 62,508,710
  4. Step 4: Simplify right side
    28,420,003x = 3,907,338,825,864,100
  5. Step 5: Solve for x
    x = 3,907,338,825,864,100/28,420,003
  6. Step 6: Final answer
    x = 137,485,517.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.