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Finding the Third Proportional to 12,544 and 19,379

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Solution

The third proportional to 12,544 and 19,379 is: 29,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544 : 19,379 = 19,379 : x
  2. Step 2: Convert to fraction form
    12,544/19,379 = 19,379/x
  3. Step 3: Cross multiply
    12,544x = 19,379 × 19,379
  4. Step 4: Simplify right side
    12,544x = 375,545,641
  5. Step 5: Solve for x
    x = 375,545,641/12,544
  6. Step 6: Final answer
    x = 29,938.27

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.