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Finding the Third Proportional to 12,728,917 and 28,338,936

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Solution

The third proportional to 12,728,917 and 28,338,936 is: 63,092,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728,917 : 28,338,936 = 28,338,936 : x
  2. Step 2: Convert to fraction form
    12,728,917/28,338,936 = 28,338,936/x
  3. Step 3: Cross multiply
    12,728,917x = 28,338,936 × 28,338,936
  4. Step 4: Simplify right side
    12,728,917x = 803,095,293,612,096
  5. Step 5: Solve for x
    x = 803,095,293,612,096/12,728,917
  6. Step 6: Final answer
    x = 63,092,193.44

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.