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Finding the Third Proportional to 9,630 and 15,396.75

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Solution

The third proportional to 9,630 and 15,396.75 is: 24,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630 : 15,396.75 = 15,396.75 : x
  2. Step 2: Convert to fraction form
    9,630/15,396.75 = 15,396.75/x
  3. Step 3: Cross multiply
    9,630x = 15,396.75 × 15,396.75
  4. Step 4: Simplify right side
    9,630x = 237,059,910.56
  5. Step 5: Solve for x
    x = 237,059,910.56/9,630
  6. Step 6: Final answer
    x = 24,616.81

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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.