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Finding the Third Proportional to 14,442 and 19,311

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Solution

The third proportional to 14,442 and 19,311 is: 25,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442 : 19,311 = 19,311 : x
  2. Step 2: Convert to fraction form
    14,442/19,311 = 19,311/x
  3. Step 3: Cross multiply
    14,442x = 19,311 × 19,311
  4. Step 4: Simplify right side
    14,442x = 372,914,721
  5. Step 5: Solve for x
    x = 372,914,721/14,442
  6. Step 6: Final answer
    x = 25,821.54

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.