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Finding the Third Proportional to 4,422 and 6,285

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Solution

The third proportional to 4,422 and 6,285 is: 8,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422 : 6,285 = 6,285 : x
  2. Step 2: Convert to fraction form
    4,422/6,285 = 6,285/x
  3. Step 3: Cross multiply
    4,422x = 6,285 × 6,285
  4. Step 4: Simplify right side
    4,422x = 39,501,225
  5. Step 5: Solve for x
    x = 39,501,225/4,422
  6. Step 6: Final answer
    x = 8,932.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.