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Finding the Third Proportional to 6,784 and 9,260

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Solution

The third proportional to 6,784 and 9,260 is: 12,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784 : 9,260 = 9,260 : x
  2. Step 2: Convert to fraction form
    6,784/9,260 = 9,260/x
  3. Step 3: Cross multiply
    6,784x = 9,260 × 9,260
  4. Step 4: Simplify right side
    6,784x = 85,747,600
  5. Step 5: Solve for x
    x = 85,747,600/6,784
  6. Step 6: Final answer
    x = 12,639.68

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.