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Finding the Third Proportional to 12,576 and 19,392

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Solution

The third proportional to 12,576 and 19,392 is: 29,902.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576 : 19,392 = 19,392 : x
  2. Step 2: Convert to fraction form
    12,576/19,392 = 19,392/x
  3. Step 3: Cross multiply
    12,576x = 19,392 × 19,392
  4. Step 4: Simplify right side
    12,576x = 376,049,664
  5. Step 5: Solve for x
    x = 376,049,664/12,576
  6. Step 6: Final answer
    x = 29,902.17

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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.