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Finding the Third Proportional to 40,580 and 82,276

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Solution

The third proportional to 40,580 and 82,276 is: 166,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,580 : 82,276 = 82,276 : x
  2. Step 2: Convert to fraction form
    40,580/82,276 = 82,276/x
  3. Step 3: Cross multiply
    40,580x = 82,276 × 82,276
  4. Step 4: Simplify right side
    40,580x = 6,769,340,176
  5. Step 5: Solve for x
    x = 6,769,340,176/40,580
  6. Step 6: Final answer
    x = 166,814.69

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.