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Finding the Third Proportional to 107,903 and 161,206

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Solution

The third proportional to 107,903 and 161,206 is: 240,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,903 : 161,206 = 161,206 : x
  2. Step 2: Convert to fraction form
    107,903/161,206 = 161,206/x
  3. Step 3: Cross multiply
    107,903x = 161,206 × 161,206
  4. Step 4: Simplify right side
    107,903x = 25,987,374,436
  5. Step 5: Solve for x
    x = 25,987,374,436/107,903
  6. Step 6: Final answer
    x = 240,840.15

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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.