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Finding the Third Proportional to 194,945 and 418,899

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Solution

The third proportional to 194,945 and 418,899 is: 900,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,945 : 418,899 = 418,899 : x
  2. Step 2: Convert to fraction form
    194,945/418,899 = 418,899/x
  3. Step 3: Cross multiply
    194,945x = 418,899 × 418,899
  4. Step 4: Simplify right side
    194,945x = 175,476,372,201
  5. Step 5: Solve for x
    x = 175,476,372,201/194,945
  6. Step 6: Final answer
    x = 900,132.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.