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Finding the Third Proportional to 194,858 and 418,725

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Solution

The third proportional to 194,858 and 418,725 is: 899,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,858 : 418,725 = 418,725 : x
  2. Step 2: Convert to fraction form
    194,858/418,725 = 418,725/x
  3. Step 3: Cross multiply
    194,858x = 418,725 × 418,725
  4. Step 4: Simplify right side
    194,858x = 175,330,625,625
  5. Step 5: Solve for x
    x = 175,330,625,625/194,858
  6. Step 6: Final answer
    x = 899,786.64

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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.