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Finding the Third Proportional to 2,858.63 and 6,185.25

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Solution

The third proportional to 2,858.63 and 6,185.25 is: 13,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.63 : 6,185.25 = 6,185.25 : x
  2. Step 2: Convert to fraction form
    2,858.63/6,185.25 = 6,185.25/x
  3. Step 3: Cross multiply
    2,858.63x = 6,185.25 × 6,185.25
  4. Step 4: Simplify right side
    2,858.63x = 38,257,317.56
  5. Step 5: Solve for x
    x = 38,257,317.56/2,858.63
  6. Step 6: Final answer
    x = 13,383.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.