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Finding the Third Proportional to 118,446.75 and 255,858.75

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Solution

The third proportional to 118,446.75 and 255,858.75 is: 552,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,446.75 : 255,858.75 = 255,858.75 : x
  2. Step 2: Convert to fraction form
    118,446.75/255,858.75 = 255,858.75/x
  3. Step 3: Cross multiply
    118,446.75x = 255,858.75 × 255,858.75
  4. Step 4: Simplify right side
    118,446.75x = 65,463,699,951.56
  5. Step 5: Solve for x
    x = 65,463,699,951.56/118,446.75
  6. Step 6: Final answer
    x = 552,684.64

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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.