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Finding the Third Proportional to 108,072 and 161,676

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Solution

The third proportional to 108,072 and 161,676 is: 241,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,072 : 161,676 = 161,676 : x
  2. Step 2: Convert to fraction form
    108,072/161,676 = 161,676/x
  3. Step 3: Cross multiply
    108,072x = 161,676 × 161,676
  4. Step 4: Simplify right side
    108,072x = 26,139,128,976
  5. Step 5: Solve for x
    x = 26,139,128,976/108,072
  6. Step 6: Final answer
    x = 241,867.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.