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Finding the Third Proportional to 8,316 and 11,394

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Solution

The third proportional to 8,316 and 11,394 is: 15,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316 : 11,394 = 11,394 : x
  2. Step 2: Convert to fraction form
    8,316/11,394 = 11,394/x
  3. Step 3: Cross multiply
    8,316x = 11,394 × 11,394
  4. Step 4: Simplify right side
    8,316x = 129,823,236
  5. Step 5: Solve for x
    x = 129,823,236/8,316
  6. Step 6: Final answer
    x = 15,611.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.