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Finding the Third Proportional to 18,195.38 and 38,577.75

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Solution

The third proportional to 18,195.38 and 38,577.75 is: 81,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.38 : 38,577.75 = 38,577.75 : x
  2. Step 2: Convert to fraction form
    18,195.38/38,577.75 = 38,577.75/x
  3. Step 3: Cross multiply
    18,195.38x = 38,577.75 × 38,577.75
  4. Step 4: Simplify right side
    18,195.38x = 1,488,242,795.06
  5. Step 5: Solve for x
    x = 1,488,242,795.06/18,195.38
  6. Step 6: Final answer
    x = 81,792.37

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.