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Finding the Third Proportional to 108,384 and 166,896

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Solution

The third proportional to 108,384 and 166,896 is: 256,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,384 : 166,896 = 166,896 : x
  2. Step 2: Convert to fraction form
    108,384/166,896 = 166,896/x
  3. Step 3: Cross multiply
    108,384x = 166,896 × 166,896
  4. Step 4: Simplify right side
    108,384x = 27,854,274,816
  5. Step 5: Solve for x
    x = 27,854,274,816/108,384
  6. Step 6: Final answer
    x = 256,996.19

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.