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Finding the Third Proportional to 429,462 and 970,272

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Solution

The third proportional to 429,462 and 970,272 is: 2,192,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,462 : 970,272 = 970,272 : x
  2. Step 2: Convert to fraction form
    429,462/970,272 = 970,272/x
  3. Step 3: Cross multiply
    429,462x = 970,272 × 970,272
  4. Step 4: Simplify right side
    429,462x = 941,427,753,984
  5. Step 5: Solve for x
    x = 941,427,753,984/429,462
  6. Step 6: Final answer
    x = 2,192,109.56

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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.