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Finding the Third Proportional to 407,691 and 959,274

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Solution

The third proportional to 407,691 and 959,274 is: 2,257,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,691 : 959,274 = 959,274 : x
  2. Step 2: Convert to fraction form
    407,691/959,274 = 959,274/x
  3. Step 3: Cross multiply
    407,691x = 959,274 × 959,274
  4. Step 4: Simplify right side
    407,691x = 920,206,607,076
  5. Step 5: Solve for x
    x = 920,206,607,076/407,691
  6. Step 6: Final answer
    x = 2,257,117.79

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.