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Finding the Third Proportional to 14,393 and 19,131

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Solution

The third proportional to 14,393 and 19,131 is: 25,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393 : 19,131 = 19,131 : x
  2. Step 2: Convert to fraction form
    14,393/19,131 = 19,131/x
  3. Step 3: Cross multiply
    14,393x = 19,131 × 19,131
  4. Step 4: Simplify right side
    14,393x = 365,995,161
  5. Step 5: Solve for x
    x = 365,995,161/14,393
  6. Step 6: Final answer
    x = 25,428.69

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.