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Finding the Third Proportional to 28,420,007 and 62,508,718

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Solution

The third proportional to 28,420,007 and 62,508,718 is: 137,485,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,007 : 62,508,718 = 62,508,718 : x
  2. Step 2: Convert to fraction form
    28,420,007/62,508,718 = 62,508,718/x
  3. Step 3: Cross multiply
    28,420,007x = 62,508,718 × 62,508,718
  4. Step 4: Simplify right side
    28,420,007x = 3,907,339,826,003,524
  5. Step 5: Solve for x
    x = 3,907,339,826,003,524/28,420,007
  6. Step 6: Final answer
    x = 137,485,533.55

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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.