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Finding the Third Proportional to 34,611 and 74,487

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Solution

The third proportional to 34,611 and 74,487 is: 160,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,611 : 74,487 = 74,487 : x
  2. Step 2: Convert to fraction form
    34,611/74,487 = 74,487/x
  3. Step 3: Cross multiply
    34,611x = 74,487 × 74,487
  4. Step 4: Simplify right side
    34,611x = 5,548,313,169
  5. Step 5: Solve for x
    x = 5,548,313,169/34,611
  6. Step 6: Final answer
    x = 160,304.91

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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.