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Finding the Third Proportional to 2,279.25 and 4,907.25

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Solution

The third proportional to 2,279.25 and 4,907.25 is: 10,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.25 : 4,907.25 = 4,907.25 : x
  2. Step 2: Convert to fraction form
    2,279.25/4,907.25 = 4,907.25/x
  3. Step 3: Cross multiply
    2,279.25x = 4,907.25 × 4,907.25
  4. Step 4: Simplify right side
    2,279.25x = 24,081,102.56
  5. Step 5: Solve for x
    x = 24,081,102.56/2,279.25
  6. Step 6: Final answer
    x = 10,565.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.