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Finding the Third Proportional to 32,189 and 47,131

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Solution

The third proportional to 32,189 and 47,131 is: 69,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,189 : 47,131 = 47,131 : x
  2. Step 2: Convert to fraction form
    32,189/47,131 = 47,131/x
  3. Step 3: Cross multiply
    32,189x = 47,131 × 47,131
  4. Step 4: Simplify right side
    32,189x = 2,221,331,161
  5. Step 5: Solve for x
    x = 2,221,331,161/32,189
  6. Step 6: Final answer
    x = 69,009.01

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.