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Finding the Third Proportional to 429,467 and 970,284

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Solution

The third proportional to 429,467 and 970,284 is: 2,192,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,467 : 970,284 = 970,284 : x
  2. Step 2: Convert to fraction form
    429,467/970,284 = 970,284/x
  3. Step 3: Cross multiply
    429,467x = 970,284 × 970,284
  4. Step 4: Simplify right side
    429,467x = 941,451,040,656
  5. Step 5: Solve for x
    x = 941,451,040,656/429,467
  6. Step 6: Final answer
    x = 2,192,138.26

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.