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Finding the Third Proportional to 379,338.19 and 793,531.69

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Solution

The third proportional to 379,338.19 and 793,531.69 is: 1,659,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,338.19 : 793,531.69 = 793,531.69 : x
  2. Step 2: Convert to fraction form
    379,338.19/793,531.69 = 793,531.69/x
  3. Step 3: Cross multiply
    379,338.19x = 793,531.69 × 793,531.69
  4. Step 4: Simplify right side
    379,338.19x = 629,692,539,066.60
  5. Step 5: Solve for x
    x = 629,692,539,066.60/379,338.19
  6. Step 6: Final answer
    x = 1,659,976.66

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.