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Finding the Third Proportional to 2,883 and 3,690

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Solution

The third proportional to 2,883 and 3,690 is: 4,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883 : 3,690 = 3,690 : x
  2. Step 2: Convert to fraction form
    2,883/3,690 = 3,690/x
  3. Step 3: Cross multiply
    2,883x = 3,690 × 3,690
  4. Step 4: Simplify right side
    2,883x = 13,616,100
  5. Step 5: Solve for x
    x = 13,616,100/2,883
  6. Step 6: Final answer
    x = 4,722.89

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.