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Finding the Third Proportional to 398,160.75 and 852,369.75

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Solution

The third proportional to 398,160.75 and 852,369.75 is: 1,824,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,160.75 : 852,369.75 = 852,369.75 : x
  2. Step 2: Convert to fraction form
    398,160.75/852,369.75 = 852,369.75/x
  3. Step 3: Cross multiply
    398,160.75x = 852,369.75 × 852,369.75
  4. Step 4: Simplify right side
    398,160.75x = 726,534,190,715.06
  5. Step 5: Solve for x
    x = 726,534,190,715.06/398,160.75
  6. Step 6: Final answer
    x = 1,824,725.79

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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.