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Finding the Third Proportional to 674,520 and 1,491,876

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Solution

The third proportional to 674,520 and 1,491,876 is: 3,299,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,520 : 1,491,876 = 1,491,876 : x
  2. Step 2: Convert to fraction form
    674,520/1,491,876 = 1,491,876/x
  3. Step 3: Cross multiply
    674,520x = 1,491,876 × 1,491,876
  4. Step 4: Simplify right side
    674,520x = 2,225,693,999,376
  5. Step 5: Solve for x
    x = 2,225,693,999,376/674,520
  6. Step 6: Final answer
    x = 3,299,670.88

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.