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Finding the Third Proportional to 192,888 and 306,936

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Solution

The third proportional to 192,888 and 306,936 is: 488,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,888 : 306,936 = 306,936 : x
  2. Step 2: Convert to fraction form
    192,888/306,936 = 306,936/x
  3. Step 3: Cross multiply
    192,888x = 306,936 × 306,936
  4. Step 4: Simplify right side
    192,888x = 94,209,708,096
  5. Step 5: Solve for x
    x = 94,209,708,096/192,888
  6. Step 6: Final answer
    x = 488,416.64

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.