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Finding the Third Proportional to 12,626 and 19,966

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Solution

The third proportional to 12,626 and 19,966 is: 31,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626 : 19,966 = 19,966 : x
  2. Step 2: Convert to fraction form
    12,626/19,966 = 19,966/x
  3. Step 3: Cross multiply
    12,626x = 19,966 × 19,966
  4. Step 4: Simplify right side
    12,626x = 398,641,156
  5. Step 5: Solve for x
    x = 398,641,156/12,626
  6. Step 6: Final answer
    x = 31,573.04

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.