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Finding the Third Proportional to 108,965 and 166,617

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Solution

The third proportional to 108,965 and 166,617 is: 254,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,965 : 166,617 = 166,617 : x
  2. Step 2: Convert to fraction form
    108,965/166,617 = 166,617/x
  3. Step 3: Cross multiply
    108,965x = 166,617 × 166,617
  4. Step 4: Simplify right side
    108,965x = 27,761,224,689
  5. Step 5: Solve for x
    x = 27,761,224,689/108,965
  6. Step 6: Final answer
    x = 254,771.94

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.