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Finding the Third Proportional to 2,503 and 3,892

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Solution

The third proportional to 2,503 and 3,892 is: 6,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503 : 3,892 = 3,892 : x
  2. Step 2: Convert to fraction form
    2,503/3,892 = 3,892/x
  3. Step 3: Cross multiply
    2,503x = 3,892 × 3,892
  4. Step 4: Simplify right side
    2,503x = 15,147,664
  5. Step 5: Solve for x
    x = 15,147,664/2,503
  6. Step 6: Final answer
    x = 6,051.80

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.