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Finding the Third Proportional to 284,300 and 612,883

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Solution

The third proportional to 284,300 and 612,883 is: 1,321,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,300 : 612,883 = 612,883 : x
  2. Step 2: Convert to fraction form
    284,300/612,883 = 612,883/x
  3. Step 3: Cross multiply
    284,300x = 612,883 × 612,883
  4. Step 4: Simplify right side
    284,300x = 375,625,571,689
  5. Step 5: Solve for x
    x = 375,625,571,689/284,300
  6. Step 6: Final answer
    x = 1,321,229.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.