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Finding the Third Proportional to 84,422,648 and 126,137,005

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Solution

The third proportional to 84,422,648 and 126,137,005 is: 188,462,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,422,648 : 126,137,005 = 126,137,005 : x
  2. Step 2: Convert to fraction form
    84,422,648/126,137,005 = 126,137,005/x
  3. Step 3: Cross multiply
    84,422,648x = 126,137,005 × 126,137,005
  4. Step 4: Simplify right side
    84,422,648x = 15,910,544,030,370,024
  5. Step 5: Solve for x
    x = 15,910,544,030,370,024/84,422,648
  6. Step 6: Final answer
    x = 188,462,982.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.