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Finding the Third Proportional to 38,900 and 82,984

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Solution

The third proportional to 38,900 and 82,984 is: 177,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,900 : 82,984 = 82,984 : x
  2. Step 2: Convert to fraction form
    38,900/82,984 = 82,984/x
  3. Step 3: Cross multiply
    38,900x = 82,984 × 82,984
  4. Step 4: Simplify right side
    38,900x = 6,886,344,256
  5. Step 5: Solve for x
    x = 6,886,344,256/38,900
  6. Step 6: Final answer
    x = 177,026.84

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.