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Finding the Third Proportional to 39,358,107 and 81,231,327

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Solution

The third proportional to 39,358,107 and 81,231,327 is: 167,653,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358,107 : 81,231,327 = 81,231,327 : x
  2. Step 2: Convert to fraction form
    39,358,107/81,231,327 = 81,231,327/x
  3. Step 3: Cross multiply
    39,358,107x = 81,231,327 × 81,231,327
  4. Step 4: Simplify right side
    39,358,107x = 6,598,528,486,180,929
  5. Step 5: Solve for x
    x = 6,598,528,486,180,929/39,358,107
  6. Step 6: Final answer
    x = 167,653,604.03

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.