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Finding the Third Proportional to 31,226 and 47,882

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Solution

The third proportional to 31,226 and 47,882 is: 73,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226 : 47,882 = 47,882 : x
  2. Step 2: Convert to fraction form
    31,226/47,882 = 47,882/x
  3. Step 3: Cross multiply
    31,226x = 47,882 × 47,882
  4. Step 4: Simplify right side
    31,226x = 2,292,685,924
  5. Step 5: Solve for x
    x = 2,292,685,924/31,226
  6. Step 6: Final answer
    x = 73,422.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.