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Finding the Third Proportional to 38,428,825.50 and 82,981,107

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Solution

The third proportional to 38,428,825.50 and 82,981,107 is: 179,184,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428,825.50 : 82,981,107 = 82,981,107 : x
  2. Step 2: Convert to fraction form
    38,428,825.50/82,981,107 = 82,981,107/x
  3. Step 3: Cross multiply
    38,428,825.50x = 82,981,107 × 82,981,107
  4. Step 4: Simplify right side
    38,428,825.50x = 6,885,864,118,945,449
  5. Step 5: Solve for x
    x = 6,885,864,118,945,449/38,428,825.50
  6. Step 6: Final answer
    x = 179,184,870.45

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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.