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Finding the Third Proportional to 7,697 and 12,236

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Solution

The third proportional to 7,697 and 12,236 is: 19,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,697 : 12,236 = 12,236 : x
  2. Step 2: Convert to fraction form
    7,697/12,236 = 12,236/x
  3. Step 3: Cross multiply
    7,697x = 12,236 × 12,236
  4. Step 4: Simplify right side
    7,697x = 149,719,696
  5. Step 5: Solve for x
    x = 149,719,696/7,697
  6. Step 6: Final answer
    x = 19,451.69

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.