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Finding the Third Proportional to 31,568 and 47,884

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Solution

The third proportional to 31,568 and 47,884 is: 72,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568 : 47,884 = 47,884 : x
  2. Step 2: Convert to fraction form
    31,568/47,884 = 47,884/x
  3. Step 3: Cross multiply
    31,568x = 47,884 × 47,884
  4. Step 4: Simplify right side
    31,568x = 2,292,877,456
  5. Step 5: Solve for x
    x = 2,292,877,456/31,568
  6. Step 6: Final answer
    x = 72,632.97

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.