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Finding the Third Proportional to 54,907.50 and 118,279.50

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Solution

The third proportional to 54,907.50 and 118,279.50 is: 254,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,907.50 : 118,279.50 = 118,279.50 : x
  2. Step 2: Convert to fraction form
    54,907.50/118,279.50 = 118,279.50/x
  3. Step 3: Cross multiply
    54,907.50x = 118,279.50 × 118,279.50
  4. Step 4: Simplify right side
    54,907.50x = 13,990,040,120.25
  5. Step 5: Solve for x
    x = 13,990,040,120.25/54,907.50
  6. Step 6: Final answer
    x = 254,792.88

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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.