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Finding the Third Proportional to 91,869 and 165,606

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Solution

The third proportional to 91,869 and 165,606 is: 298,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,869 : 165,606 = 165,606 : x
  2. Step 2: Convert to fraction form
    91,869/165,606 = 165,606/x
  3. Step 3: Cross multiply
    91,869x = 165,606 × 165,606
  4. Step 4: Simplify right side
    91,869x = 27,425,347,236
  5. Step 5: Solve for x
    x = 27,425,347,236/91,869
  6. Step 6: Final answer
    x = 298,526.68

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.