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Finding the Third Proportional to 38,018 and 51,195

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Solution

The third proportional to 38,018 and 51,195 is: 68,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018 : 51,195 = 51,195 : x
  2. Step 2: Convert to fraction form
    38,018/51,195 = 51,195/x
  3. Step 3: Cross multiply
    38,018x = 51,195 × 51,195
  4. Step 4: Simplify right side
    38,018x = 2,620,928,025
  5. Step 5: Solve for x
    x = 2,620,928,025/38,018
  6. Step 6: Final answer
    x = 68,939.13

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.