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Finding the Third Proportional to 36,966.38 and 81,313.88

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Solution

The third proportional to 36,966.38 and 81,313.88 is: 178,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,966.38 : 81,313.88 = 81,313.88 : x
  2. Step 2: Convert to fraction form
    36,966.38/81,313.88 = 81,313.88/x
  3. Step 3: Cross multiply
    36,966.38x = 81,313.88 × 81,313.88
  4. Step 4: Simplify right side
    36,966.38x = 6,611,946,267.52
  5. Step 5: Solve for x
    x = 6,611,946,267.52/36,966.38
  6. Step 6: Final answer
    x = 178,863.80

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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.