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Finding the Third Proportional to 429,486 and 970,320

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Solution

The third proportional to 429,486 and 970,320 is: 2,192,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,486 : 970,320 = 970,320 : x
  2. Step 2: Convert to fraction form
    429,486/970,320 = 970,320/x
  3. Step 3: Cross multiply
    429,486x = 970,320 × 970,320
  4. Step 4: Simplify right side
    429,486x = 941,520,902,400
  5. Step 5: Solve for x
    x = 941,520,902,400/429,486
  6. Step 6: Final answer
    x = 2,192,203.94

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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.