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Finding the Third Proportional to 28,420,005 and 62,508,714

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Solution

The third proportional to 28,420,005 and 62,508,714 is: 137,485,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,005 : 62,508,714 = 62,508,714 : x
  2. Step 2: Convert to fraction form
    28,420,005/62,508,714 = 62,508,714/x
  3. Step 3: Cross multiply
    28,420,005x = 62,508,714 × 62,508,714
  4. Step 4: Simplify right side
    28,420,005x = 3,907,339,325,933,796
  5. Step 5: Solve for x
    x = 3,907,339,325,933,796/28,420,005
  6. Step 6: Final answer
    x = 137,485,525.63

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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.