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Finding the Third Proportional to 3,836 and 6,934

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Solution

The third proportional to 3,836 and 6,934 is: 12,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836 : 6,934 = 6,934 : x
  2. Step 2: Convert to fraction form
    3,836/6,934 = 6,934/x
  3. Step 3: Cross multiply
    3,836x = 6,934 × 6,934
  4. Step 4: Simplify right side
    3,836x = 48,080,356
  5. Step 5: Solve for x
    x = 48,080,356/3,836
  6. Step 6: Final answer
    x = 12,533.98

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.