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Finding the Third Proportional to 87,094 and 122,648

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Solution

The third proportional to 87,094 and 122,648 is: 172,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,094 : 122,648 = 122,648 : x
  2. Step 2: Convert to fraction form
    87,094/122,648 = 122,648/x
  3. Step 3: Cross multiply
    87,094x = 122,648 × 122,648
  4. Step 4: Simplify right side
    87,094x = 15,042,531,904
  5. Step 5: Solve for x
    x = 15,042,531,904/87,094
  6. Step 6: Final answer
    x = 172,716.05

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.