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Finding the Third Proportional to 38,268 and 55,881

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Solution

The third proportional to 38,268 and 55,881 is: 81,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268 : 55,881 = 55,881 : x
  2. Step 2: Convert to fraction form
    38,268/55,881 = 55,881/x
  3. Step 3: Cross multiply
    38,268x = 55,881 × 55,881
  4. Step 4: Simplify right side
    38,268x = 3,122,686,161
  5. Step 5: Solve for x
    x = 3,122,686,161/38,268
  6. Step 6: Final answer
    x = 81,600.45

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.