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Finding the Third Proportional to 12,962 and 19,439

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Solution

The third proportional to 12,962 and 19,439 is: 29,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962 : 19,439 = 19,439 : x
  2. Step 2: Convert to fraction form
    12,962/19,439 = 19,439/x
  3. Step 3: Cross multiply
    12,962x = 19,439 × 19,439
  4. Step 4: Simplify right side
    12,962x = 377,874,721
  5. Step 5: Solve for x
    x = 377,874,721/12,962
  6. Step 6: Final answer
    x = 29,152.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.