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Finding the Third Proportional to 388,081.13 and 835,180.88

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Solution

The third proportional to 388,081.13 and 835,180.88 is: 1,797,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,081.13 : 835,180.88 = 835,180.88 : x
  2. Step 2: Convert to fraction form
    388,081.13/835,180.88 = 835,180.88/x
  3. Step 3: Cross multiply
    388,081.13x = 835,180.88 × 835,180.88
  4. Step 4: Simplify right side
    388,081.13x = 697,527,093,965.77
  5. Step 5: Solve for x
    x = 697,527,093,965.77/388,081.13
  6. Step 6: Final answer
    x = 1,797,374.44

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.