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Finding the Third Proportional to 89,067,146 and 137,910,379

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Solution

The third proportional to 89,067,146 and 137,910,379 is: 213,538,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,067,146 : 137,910,379 = 137,910,379 : x
  2. Step 2: Convert to fraction form
    89,067,146/137,910,379 = 137,910,379/x
  3. Step 3: Cross multiply
    89,067,146x = 137,910,379 × 137,910,379
  4. Step 4: Simplify right side
    89,067,146x = 19,019,272,635,923,640
  5. Step 5: Solve for x
    x = 19,019,272,635,923,640/89,067,146
  6. Step 6: Final answer
    x = 213,538,588.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.