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Finding the Third Proportional to 18,436 and 29,450

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Solution

The third proportional to 18,436 and 29,450 is: 47,043.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436 : 29,450 = 29,450 : x
  2. Step 2: Convert to fraction form
    18,436/29,450 = 29,450/x
  3. Step 3: Cross multiply
    18,436x = 29,450 × 29,450
  4. Step 4: Simplify right side
    18,436x = 867,302,500
  5. Step 5: Solve for x
    x = 867,302,500/18,436
  6. Step 6: Final answer
    x = 47,043.96

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.