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Finding the Third Proportional to 381,080 and 852,376

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Solution

The third proportional to 381,080 and 852,376 is: 1,906,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,080 : 852,376 = 852,376 : x
  2. Step 2: Convert to fraction form
    381,080/852,376 = 852,376/x
  3. Step 3: Cross multiply
    381,080x = 852,376 × 852,376
  4. Step 4: Simplify right side
    381,080x = 726,544,845,376
  5. Step 5: Solve for x
    x = 726,544,845,376/381,080
  6. Step 6: Final answer
    x = 1,906,541.53

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.