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Finding the Third Proportional to 201,797 and 442,956

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Solution

The third proportional to 201,797 and 442,956 is: 972,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,797 : 442,956 = 442,956 : x
  2. Step 2: Convert to fraction form
    201,797/442,956 = 442,956/x
  3. Step 3: Cross multiply
    201,797x = 442,956 × 442,956
  4. Step 4: Simplify right side
    201,797x = 196,210,017,936
  5. Step 5: Solve for x
    x = 196,210,017,936/201,797
  6. Step 6: Final answer
    x = 972,313.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.