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Finding the Third Proportional to 4,131 and 4,503

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Solution

The third proportional to 4,131 and 4,503 is: 4,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131 : 4,503 = 4,503 : x
  2. Step 2: Convert to fraction form
    4,131/4,503 = 4,503/x
  3. Step 3: Cross multiply
    4,131x = 4,503 × 4,503
  4. Step 4: Simplify right side
    4,131x = 20,277,009
  5. Step 5: Solve for x
    x = 20,277,009/4,131
  6. Step 6: Final answer
    x = 4,908.50

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.