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Finding the Third Proportional to 200,908 and 303,956

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Solution

The third proportional to 200,908 and 303,956 is: 459,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,908 : 303,956 = 303,956 : x
  2. Step 2: Convert to fraction form
    200,908/303,956 = 303,956/x
  3. Step 3: Cross multiply
    200,908x = 303,956 × 303,956
  4. Step 4: Simplify right side
    200,908x = 92,389,249,936
  5. Step 5: Solve for x
    x = 92,389,249,936/200,908
  6. Step 6: Final answer
    x = 459,858.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.