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Finding the Third Proportional to 12,936 and 19,482

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Solution

The third proportional to 12,936 and 19,482 is: 29,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936 : 19,482 = 19,482 : x
  2. Step 2: Convert to fraction form
    12,936/19,482 = 19,482/x
  3. Step 3: Cross multiply
    12,936x = 19,482 × 19,482
  4. Step 4: Simplify right side
    12,936x = 379,548,324
  5. Step 5: Solve for x
    x = 379,548,324/12,936
  6. Step 6: Final answer
    x = 29,340.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.