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Finding the Third Proportional to 118,679.63 and 255,917.25

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Solution

The third proportional to 118,679.63 and 255,917.25 is: 551,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,679.63 : 255,917.25 = 255,917.25 : x
  2. Step 2: Convert to fraction form
    118,679.63/255,917.25 = 255,917.25/x
  3. Step 3: Cross multiply
    118,679.63x = 255,917.25 × 255,917.25
  4. Step 4: Simplify right side
    118,679.63x = 65,493,638,847.56
  5. Step 5: Solve for x
    x = 65,493,638,847.56/118,679.63
  6. Step 6: Final answer
    x = 551,852.42

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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.