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Finding the Third Proportional to 6,285 and 11,629.50

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Solution

The third proportional to 6,285 and 11,629.50 is: 21,518.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285 : 11,629.50 = 11,629.50 : x
  2. Step 2: Convert to fraction form
    6,285/11,629.50 = 11,629.50/x
  3. Step 3: Cross multiply
    6,285x = 11,629.50 × 11,629.50
  4. Step 4: Simplify right side
    6,285x = 135,245,270.25
  5. Step 5: Solve for x
    x = 135,245,270.25/6,285
  6. Step 6: Final answer
    x = 21,518.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.