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Finding the Third Proportional to 396,051.75 and 841,188

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Solution

The third proportional to 396,051.75 and 841,188 is: 1,786,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,051.75 : 841,188 = 841,188 : x
  2. Step 2: Convert to fraction form
    396,051.75/841,188 = 841,188/x
  3. Step 3: Cross multiply
    396,051.75x = 841,188 × 841,188
  4. Step 4: Simplify right side
    396,051.75x = 707,597,251,344
  5. Step 5: Solve for x
    x = 707,597,251,344/396,051.75
  6. Step 6: Final answer
    x = 1,786,628.27

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.