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Finding the Third Proportional to 2,840.63 and 4,169.25

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Solution

The third proportional to 2,840.63 and 4,169.25 is: 6,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.63 : 4,169.25 = 4,169.25 : x
  2. Step 2: Convert to fraction form
    2,840.63/4,169.25 = 4,169.25/x
  3. Step 3: Cross multiply
    2,840.63x = 4,169.25 × 4,169.25
  4. Step 4: Simplify right side
    2,840.63x = 17,382,645.56
  5. Step 5: Solve for x
    x = 17,382,645.56/2,840.63
  6. Step 6: Final answer
    x = 6,119.30

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.