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Finding the Third Proportional to 137,395,215 and 296,313,183

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Solution

The third proportional to 137,395,215 and 296,313,183 is: 639,043,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,395,215 : 296,313,183 = 296,313,183 : x
  2. Step 2: Convert to fraction form
    137,395,215/296,313,183 = 296,313,183/x
  3. Step 3: Cross multiply
    137,395,215x = 296,313,183 × 296,313,183
  4. Step 4: Simplify right side
    137,395,215x = 87,801,502,419,591,488
  5. Step 5: Solve for x
    x = 87,801,502,419,591,488/137,395,215
  6. Step 6: Final answer
    x = 639,043,378.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.