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Finding the Third Proportional to 4,257 and 6,236.25

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Solution

The third proportional to 4,257 and 6,236.25 is: 9,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257 : 6,236.25 = 6,236.25 : x
  2. Step 2: Convert to fraction form
    4,257/6,236.25 = 6,236.25/x
  3. Step 3: Cross multiply
    4,257x = 6,236.25 × 6,236.25
  4. Step 4: Simplify right side
    4,257x = 38,890,814.06
  5. Step 5: Solve for x
    x = 38,890,814.06/4,257
  6. Step 6: Final answer
    x = 9,135.73

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.