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Finding the Third Proportional to 18,054 and 38,772

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Solution

The third proportional to 18,054 and 38,772 is: 83,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054 : 38,772 = 38,772 : x
  2. Step 2: Convert to fraction form
    18,054/38,772 = 38,772/x
  3. Step 3: Cross multiply
    18,054x = 38,772 × 38,772
  4. Step 4: Simplify right side
    18,054x = 1,503,267,984
  5. Step 5: Solve for x
    x = 1,503,267,984/18,054
  6. Step 6: Final answer
    x = 83,265.09

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.