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Finding the Third Proportional to 38,198 and 82,038

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Solution

The third proportional to 38,198 and 82,038 is: 176,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198 : 82,038 = 82,038 : x
  2. Step 2: Convert to fraction form
    38,198/82,038 = 82,038/x
  3. Step 3: Cross multiply
    38,198x = 82,038 × 82,038
  4. Step 4: Simplify right side
    38,198x = 6,730,233,444
  5. Step 5: Solve for x
    x = 6,730,233,444/38,198
  6. Step 6: Final answer
    x = 176,193.35

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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.