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Finding the Third Proportional to 250,185.75 and 368,661.38

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Solution

The third proportional to 250,185.75 and 368,661.38 is: 543,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,185.75 : 368,661.38 = 368,661.38 : x
  2. Step 2: Convert to fraction form
    250,185.75/368,661.38 = 368,661.38/x
  3. Step 3: Cross multiply
    250,185.75x = 368,661.38 × 368,661.38
  4. Step 4: Simplify right side
    250,185.75x = 135,911,209,416.89
  5. Step 5: Solve for x
    x = 135,911,209,416.89/250,185.75
  6. Step 6: Final answer
    x = 543,241.21

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.