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Finding the Third Proportional to 186,696 and 283,939

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Solution

The third proportional to 186,696 and 283,939 is: 431,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,696 : 283,939 = 283,939 : x
  2. Step 2: Convert to fraction form
    186,696/283,939 = 283,939/x
  3. Step 3: Cross multiply
    186,696x = 283,939 × 283,939
  4. Step 4: Simplify right side
    186,696x = 80,621,355,721
  5. Step 5: Solve for x
    x = 80,621,355,721/186,696
  6. Step 6: Final answer
    x = 431,832.26

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.