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Finding the Third Proportional to 6,285 and 9,255

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Solution

The third proportional to 6,285 and 9,255 is: 13,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285 : 9,255 = 9,255 : x
  2. Step 2: Convert to fraction form
    6,285/9,255 = 9,255/x
  3. Step 3: Cross multiply
    6,285x = 9,255 × 9,255
  4. Step 4: Simplify right side
    6,285x = 85,655,025
  5. Step 5: Solve for x
    x = 85,655,025/6,285
  6. Step 6: Final answer
    x = 13,628.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.