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Finding the Third Proportional to 335,184.75 and 685,131.75

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Solution

The third proportional to 335,184.75 and 685,131.75 is: 1,400,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,184.75 : 685,131.75 = 685,131.75 : x
  2. Step 2: Convert to fraction form
    335,184.75/685,131.75 = 685,131.75/x
  3. Step 3: Cross multiply
    335,184.75x = 685,131.75 × 685,131.75
  4. Step 4: Simplify right side
    335,184.75x = 469,405,514,858.06
  5. Step 5: Solve for x
    x = 469,405,514,858.06/335,184.75
  6. Step 6: Final answer
    x = 1,400,438.16

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.