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Finding the Third Proportional to 34,634 and 75,749

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Solution

The third proportional to 34,634 and 75,749 is: 165,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,634 : 75,749 = 75,749 : x
  2. Step 2: Convert to fraction form
    34,634/75,749 = 75,749/x
  3. Step 3: Cross multiply
    34,634x = 75,749 × 75,749
  4. Step 4: Simplify right side
    34,634x = 5,737,911,001
  5. Step 5: Solve for x
    x = 5,737,911,001/34,634
  6. Step 6: Final answer
    x = 165,672.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.