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Finding the Third Proportional to 109,266 and 164,903

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Solution

The third proportional to 109,266 and 164,903 is: 248,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,266 : 164,903 = 164,903 : x
  2. Step 2: Convert to fraction form
    109,266/164,903 = 164,903/x
  3. Step 3: Cross multiply
    109,266x = 164,903 × 164,903
  4. Step 4: Simplify right side
    109,266x = 27,192,999,409
  5. Step 5: Solve for x
    x = 27,192,999,409/109,266
  6. Step 6: Final answer
    x = 248,869.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.