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Finding the Third Proportional to 32,879 and 47,015

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Solution

The third proportional to 32,879 and 47,015 is: 67,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,879 : 47,015 = 47,015 : x
  2. Step 2: Convert to fraction form
    32,879/47,015 = 47,015/x
  3. Step 3: Cross multiply
    32,879x = 47,015 × 47,015
  4. Step 4: Simplify right side
    32,879x = 2,210,410,225
  5. Step 5: Solve for x
    x = 2,210,410,225/32,879
  6. Step 6: Final answer
    x = 67,228.63

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.