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Finding the Third Proportional to 181,286 and 388,807

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Solution

The third proportional to 181,286 and 388,807 is: 833,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,286 : 388,807 = 388,807 : x
  2. Step 2: Convert to fraction form
    181,286/388,807 = 388,807/x
  3. Step 3: Cross multiply
    181,286x = 388,807 × 388,807
  4. Step 4: Simplify right side
    181,286x = 151,170,883,249
  5. Step 5: Solve for x
    x = 151,170,883,249/181,286
  6. Step 6: Final answer
    x = 833,880.63

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Why These Related Problems?

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