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Finding the Third Proportional to 6,292.69 and 8,392.78

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Solution

The third proportional to 6,292.69 and 8,392.78 is: 11,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.69 : 8,392.78 = 8,392.78 : x
  2. Step 2: Convert to fraction form
    6,292.69/8,392.78 = 8,392.78/x
  3. Step 3: Cross multiply
    6,292.69x = 8,392.78 × 8,392.78
  4. Step 4: Simplify right side
    6,292.69x = 70,438,777.11
  5. Step 5: Solve for x
    x = 70,438,777.11/6,292.69
  6. Step 6: Final answer
    x = 11,193.75

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.