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Finding the Third Proportional to 7,209.75 and 10,950

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Solution

The third proportional to 7,209.75 and 10,950 is: 16,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.75 : 10,950 = 10,950 : x
  2. Step 2: Convert to fraction form
    7,209.75/10,950 = 10,950/x
  3. Step 3: Cross multiply
    7,209.75x = 10,950 × 10,950
  4. Step 4: Simplify right side
    7,209.75x = 119,902,500
  5. Step 5: Solve for x
    x = 119,902,500/7,209.75
  6. Step 6: Final answer
    x = 16,630.60

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.