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Finding the Third Proportional to 31,498 and 47,166

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Solution

The third proportional to 31,498 and 47,166 is: 70,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,498 : 47,166 = 47,166 : x
  2. Step 2: Convert to fraction form
    31,498/47,166 = 47,166/x
  3. Step 3: Cross multiply
    31,498x = 47,166 × 47,166
  4. Step 4: Simplify right side
    31,498x = 2,224,631,556
  5. Step 5: Solve for x
    x = 2,224,631,556/31,498
  6. Step 6: Final answer
    x = 70,627.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.