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Finding the Third Proportional to 674,472 and 1,396,492

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Solution

The third proportional to 674,472 and 1,396,492 is: 2,891,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,472 : 1,396,492 = 1,396,492 : x
  2. Step 2: Convert to fraction form
    674,472/1,396,492 = 1,396,492/x
  3. Step 3: Cross multiply
    674,472x = 1,396,492 × 1,396,492
  4. Step 4: Simplify right side
    674,472x = 1,950,189,906,064
  5. Step 5: Solve for x
    x = 1,950,189,906,064/674,472
  6. Step 6: Final answer
    x = 2,891,431.97

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.