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Finding the Third Proportional to 38,319 and 49,692

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Solution

The third proportional to 38,319 and 49,692 is: 64,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319 : 49,692 = 49,692 : x
  2. Step 2: Convert to fraction form
    38,319/49,692 = 49,692/x
  3. Step 3: Cross multiply
    38,319x = 49,692 × 49,692
  4. Step 4: Simplify right side
    38,319x = 2,469,294,864
  5. Step 5: Solve for x
    x = 2,469,294,864/38,319
  6. Step 6: Final answer
    x = 64,440.48

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.