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Finding the Third Proportional to 818,578 and 1,771,672

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Solution

The third proportional to 818,578 and 1,771,672 is: 3,834,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,578 : 1,771,672 = 1,771,672 : x
  2. Step 2: Convert to fraction form
    818,578/1,771,672 = 1,771,672/x
  3. Step 3: Cross multiply
    818,578x = 1,771,672 × 1,771,672
  4. Step 4: Simplify right side
    818,578x = 3,138,821,675,584
  5. Step 5: Solve for x
    x = 3,138,821,675,584/818,578
  6. Step 6: Final answer
    x = 3,834,480.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.