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Finding the Third Proportional to 110,928 and 173,781

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Solution

The third proportional to 110,928 and 173,781 is: 272,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,928 : 173,781 = 173,781 : x
  2. Step 2: Convert to fraction form
    110,928/173,781 = 173,781/x
  3. Step 3: Cross multiply
    110,928x = 173,781 × 173,781
  4. Step 4: Simplify right side
    110,928x = 30,199,835,961
  5. Step 5: Solve for x
    x = 30,199,835,961/110,928
  6. Step 6: Final answer
    x = 272,247.19

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.