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Finding the Third Proportional to 4,251.75 and 9,393.75

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Solution

The third proportional to 4,251.75 and 9,393.75 is: 20,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.75 : 9,393.75 = 9,393.75 : x
  2. Step 2: Convert to fraction form
    4,251.75/9,393.75 = 9,393.75/x
  3. Step 3: Cross multiply
    4,251.75x = 9,393.75 × 9,393.75
  4. Step 4: Simplify right side
    4,251.75x = 88,242,539.06
  5. Step 5: Solve for x
    x = 88,242,539.06/4,251.75
  6. Step 6: Final answer
    x = 20,754.40

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.