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Finding the Third Proportional to 4,445 and 8,950

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Solution

The third proportional to 4,445 and 8,950 is: 18,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445 : 8,950 = 8,950 : x
  2. Step 2: Convert to fraction form
    4,445/8,950 = 8,950/x
  3. Step 3: Cross multiply
    4,445x = 8,950 × 8,950
  4. Step 4: Simplify right side
    4,445x = 80,102,500
  5. Step 5: Solve for x
    x = 80,102,500/4,445
  6. Step 6: Final answer
    x = 18,020.81

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Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.