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Finding the Third Proportional to 2,764 and 4,090

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Solution

The third proportional to 2,764 and 4,090 is: 6,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764 : 4,090 = 4,090 : x
  2. Step 2: Convert to fraction form
    2,764/4,090 = 4,090/x
  3. Step 3: Cross multiply
    2,764x = 4,090 × 4,090
  4. Step 4: Simplify right side
    2,764x = 16,728,100
  5. Step 5: Solve for x
    x = 16,728,100/2,764
  6. Step 6: Final answer
    x = 6,052.13

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.