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Finding the Third Proportional to 7,015 and 14,381

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Solution

The third proportional to 7,015 and 14,381 is: 29,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015 : 14,381 = 14,381 : x
  2. Step 2: Convert to fraction form
    7,015/14,381 = 14,381/x
  3. Step 3: Cross multiply
    7,015x = 14,381 × 14,381
  4. Step 4: Simplify right side
    7,015x = 206,813,161
  5. Step 5: Solve for x
    x = 206,813,161/7,015
  6. Step 6: Final answer
    x = 29,481.56

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.