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Finding the Third Proportional to 62,938 and 87,997

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Solution

The third proportional to 62,938 and 87,997 is: 123,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,938 : 87,997 = 87,997 : x
  2. Step 2: Convert to fraction form
    62,938/87,997 = 87,997/x
  3. Step 3: Cross multiply
    62,938x = 87,997 × 87,997
  4. Step 4: Simplify right side
    62,938x = 7,743,472,009
  5. Step 5: Solve for x
    x = 7,743,472,009/62,938
  6. Step 6: Final answer
    x = 123,033.33

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.