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Finding the Third Proportional to 282,147 and 382,761

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Solution

The third proportional to 282,147 and 382,761 is: 519,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,147 : 382,761 = 382,761 : x
  2. Step 2: Convert to fraction form
    282,147/382,761 = 382,761/x
  3. Step 3: Cross multiply
    282,147x = 382,761 × 382,761
  4. Step 4: Simplify right side
    282,147x = 146,505,983,121
  5. Step 5: Solve for x
    x = 146,505,983,121/282,147
  6. Step 6: Final answer
    x = 519,254.09

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.