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Finding the Third Proportional to 34,682 and 74,630

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Solution

The third proportional to 34,682 and 74,630 is: 160,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,682 : 74,630 = 74,630 : x
  2. Step 2: Convert to fraction form
    34,682/74,630 = 74,630/x
  3. Step 3: Cross multiply
    34,682x = 74,630 × 74,630
  4. Step 4: Simplify right side
    34,682x = 5,569,636,900
  5. Step 5: Solve for x
    x = 5,569,636,900/34,682
  6. Step 6: Final answer
    x = 160,591.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.