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Finding the Third Proportional to 108,272 and 161,860

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Solution

The third proportional to 108,272 and 161,860 is: 241,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,272 : 161,860 = 161,860 : x
  2. Step 2: Convert to fraction form
    108,272/161,860 = 161,860/x
  3. Step 3: Cross multiply
    108,272x = 161,860 × 161,860
  4. Step 4: Simplify right side
    108,272x = 26,198,659,600
  5. Step 5: Solve for x
    x = 26,198,659,600/108,272
  6. Step 6: Final answer
    x = 241,970.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.