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Finding the Third Proportional to 38,652 and 55,125

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Solution

The third proportional to 38,652 and 55,125 is: 78,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652 : 55,125 = 55,125 : x
  2. Step 2: Convert to fraction form
    38,652/55,125 = 55,125/x
  3. Step 3: Cross multiply
    38,652x = 55,125 × 55,125
  4. Step 4: Simplify right side
    38,652x = 3,038,765,625
  5. Step 5: Solve for x
    x = 3,038,765,625/38,652
  6. Step 6: Final answer
    x = 78,618.59

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.