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Finding the Third Proportional to 38,308 and 84,296

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Solution

The third proportional to 38,308 and 84,296 is: 185,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308 : 84,296 = 84,296 : x
  2. Step 2: Convert to fraction form
    38,308/84,296 = 84,296/x
  3. Step 3: Cross multiply
    38,308x = 84,296 × 84,296
  4. Step 4: Simplify right side
    38,308x = 7,105,815,616
  5. Step 5: Solve for x
    x = 7,105,815,616/38,308
  6. Step 6: Final answer
    x = 185,491.69

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.