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Finding the Third Proportional to 70,180,986 and 156,498,828

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Solution

The third proportional to 70,180,986 and 156,498,828 is: 348,981,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,180,986 : 156,498,828 = 156,498,828 : x
  2. Step 2: Convert to fraction form
    70,180,986/156,498,828 = 156,498,828/x
  3. Step 3: Cross multiply
    70,180,986x = 156,498,828 × 156,498,828
  4. Step 4: Simplify right side
    70,180,986x = 24,491,883,165,373,584
  5. Step 5: Solve for x
    x = 24,491,883,165,373,584/70,180,986
  6. Step 6: Final answer
    x = 348,981,747.92

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.