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Finding the Third Proportional to 38,768 and 82,152

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Solution

The third proportional to 38,768 and 82,152 is: 174,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,768 : 82,152 = 82,152 : x
  2. Step 2: Convert to fraction form
    38,768/82,152 = 82,152/x
  3. Step 3: Cross multiply
    38,768x = 82,152 × 82,152
  4. Step 4: Simplify right side
    38,768x = 6,748,951,104
  5. Step 5: Solve for x
    x = 6,748,951,104/38,768
  6. Step 6: Final answer
    x = 174,085.61

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.