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Finding the Third Proportional to 101,917 and 149,880

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Solution

The third proportional to 101,917 and 149,880 is: 220,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,917 : 149,880 = 149,880 : x
  2. Step 2: Convert to fraction form
    101,917/149,880 = 149,880/x
  3. Step 3: Cross multiply
    101,917x = 149,880 × 149,880
  4. Step 4: Simplify right side
    101,917x = 22,464,014,400
  5. Step 5: Solve for x
    x = 22,464,014,400/101,917
  6. Step 6: Final answer
    x = 220,414.79

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.