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Finding the Third Proportional to 71,966 and 108,955

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Solution

The third proportional to 71,966 and 108,955 is: 164,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966 : 108,955 = 108,955 : x
  2. Step 2: Convert to fraction form
    71,966/108,955 = 108,955/x
  3. Step 3: Cross multiply
    71,966x = 108,955 × 108,955
  4. Step 4: Simplify right side
    71,966x = 11,871,192,025
  5. Step 5: Solve for x
    x = 11,871,192,025/71,966
  6. Step 6: Final answer
    x = 164,955.56

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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.