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Finding the Third Proportional to 1,903 and 4,520.50

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Solution

The third proportional to 1,903 and 4,520.50 is: 10,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903 : 4,520.50 = 4,520.50 : x
  2. Step 2: Convert to fraction form
    1,903/4,520.50 = 4,520.50/x
  3. Step 3: Cross multiply
    1,903x = 4,520.50 × 4,520.50
  4. Step 4: Simplify right side
    1,903x = 20,434,920.25
  5. Step 5: Solve for x
    x = 20,434,920.25/1,903
  6. Step 6: Final answer
    x = 10,738.27

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.