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Finding the Third Proportional to 6,290.25 and 13,788.75

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Solution

The third proportional to 6,290.25 and 13,788.75 is: 30,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.25 : 13,788.75 = 13,788.75 : x
  2. Step 2: Convert to fraction form
    6,290.25/13,788.75 = 13,788.75/x
  3. Step 3: Cross multiply
    6,290.25x = 13,788.75 × 13,788.75
  4. Step 4: Simplify right side
    6,290.25x = 190,129,626.56
  5. Step 5: Solve for x
    x = 190,129,626.56/6,290.25
  6. Step 6: Final answer
    x = 30,226.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.