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Finding the Third Proportional to 7,384 and 11,236

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Solution

The third proportional to 7,384 and 11,236 is: 17,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384 : 11,236 = 11,236 : x
  2. Step 2: Convert to fraction form
    7,384/11,236 = 11,236/x
  3. Step 3: Cross multiply
    7,384x = 11,236 × 11,236
  4. Step 4: Simplify right side
    7,384x = 126,247,696
  5. Step 5: Solve for x
    x = 126,247,696/7,384
  6. Step 6: Final answer
    x = 17,097.47

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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.