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Finding the Third Proportional to 13,108 and 19,479

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Solution

The third proportional to 13,108 and 19,479 is: 28,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108 : 19,479 = 19,479 : x
  2. Step 2: Convert to fraction form
    13,108/19,479 = 19,479/x
  3. Step 3: Cross multiply
    13,108x = 19,479 × 19,479
  4. Step 4: Simplify right side
    13,108x = 379,431,441
  5. Step 5: Solve for x
    x = 379,431,441/13,108
  6. Step 6: Final answer
    x = 28,946.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.