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Finding the Third Proportional to 8,540 and 9,350

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Solution

The third proportional to 8,540 and 9,350 is: 10,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540 : 9,350 = 9,350 : x
  2. Step 2: Convert to fraction form
    8,540/9,350 = 9,350/x
  3. Step 3: Cross multiply
    8,540x = 9,350 × 9,350
  4. Step 4: Simplify right side
    8,540x = 87,422,500
  5. Step 5: Solve for x
    x = 87,422,500/8,540
  6. Step 6: Final answer
    x = 10,236.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.