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Finding the Third Proportional to 382,966 and 818,060

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Solution

The third proportional to 382,966 and 818,060 is: 1,747,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,966 : 818,060 = 818,060 : x
  2. Step 2: Convert to fraction form
    382,966/818,060 = 818,060/x
  3. Step 3: Cross multiply
    382,966x = 818,060 × 818,060
  4. Step 4: Simplify right side
    382,966x = 669,222,163,600
  5. Step 5: Solve for x
    x = 669,222,163,600/382,966
  6. Step 6: Final answer
    x = 1,747,471.48

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.