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Finding the Third Proportional to 14,124 and 19,749

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Solution

The third proportional to 14,124 and 19,749 is: 27,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124 : 19,749 = 19,749 : x
  2. Step 2: Convert to fraction form
    14,124/19,749 = 19,749/x
  3. Step 3: Cross multiply
    14,124x = 19,749 × 19,749
  4. Step 4: Simplify right side
    14,124x = 390,023,001
  5. Step 5: Solve for x
    x = 390,023,001/14,124
  6. Step 6: Final answer
    x = 27,614.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.