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Finding the Third Proportional to 19,156 and 28,757

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Solution

The third proportional to 19,156 and 28,757 is: 43,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156 : 28,757 = 28,757 : x
  2. Step 2: Convert to fraction form
    19,156/28,757 = 28,757/x
  3. Step 3: Cross multiply
    19,156x = 28,757 × 28,757
  4. Step 4: Simplify right side
    19,156x = 826,965,049
  5. Step 5: Solve for x
    x = 826,965,049/19,156
  6. Step 6: Final answer
    x = 43,170.03

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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.