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Finding the Third Proportional to 3,915 and 8,094

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Solution

The third proportional to 3,915 and 8,094 is: 16,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915 : 8,094 = 8,094 : x
  2. Step 2: Convert to fraction form
    3,915/8,094 = 8,094/x
  3. Step 3: Cross multiply
    3,915x = 8,094 × 8,094
  4. Step 4: Simplify right side
    3,915x = 65,512,836
  5. Step 5: Solve for x
    x = 65,512,836/3,915
  6. Step 6: Final answer
    x = 16,733.80

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.