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Finding the Third Proportional to 87,441,039 and 186,988,974.75

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Solution

The third proportional to 87,441,039 and 186,988,974.75 is: 399,868,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,441,039 : 186,988,974.75 = 186,988,974.75 : x
  2. Step 2: Convert to fraction form
    87,441,039/186,988,974.75 = 186,988,974.75/x
  3. Step 3: Cross multiply
    87,441,039x = 186,988,974.75 × 186,988,974.75
  4. Step 4: Simplify right side
    87,441,039x = 34,964,876,678,056,136
  5. Step 5: Solve for x
    x = 34,964,876,678,056,136/87,441,039
  6. Step 6: Final answer
    x = 399,868,037.68

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.