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Finding the Third Proportional to 18,372 and 29,199

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Solution

The third proportional to 18,372 and 29,199 is: 46,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372 : 29,199 = 29,199 : x
  2. Step 2: Convert to fraction form
    18,372/29,199 = 29,199/x
  3. Step 3: Cross multiply
    18,372x = 29,199 × 29,199
  4. Step 4: Simplify right side
    18,372x = 852,581,601
  5. Step 5: Solve for x
    x = 852,581,601/18,372
  6. Step 6: Final answer
    x = 46,406.58

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.