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Finding the Third Proportional to 12,756 and 19,134

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Solution

The third proportional to 12,756 and 19,134 is: 28,701

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756 : 19,134 = 19,134 : x
  2. Step 2: Convert to fraction form
    12,756/19,134 = 19,134/x
  3. Step 3: Cross multiply
    12,756x = 19,134 × 19,134
  4. Step 4: Simplify right side
    12,756x = 366,109,956
  5. Step 5: Solve for x
    x = 366,109,956/12,756
  6. Step 6: Final answer
    x = 28,701

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.