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Finding the Third Proportional to 269,598 and 422,883

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Solution

The third proportional to 269,598 and 422,883 is: 663,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,598 : 422,883 = 422,883 : x
  2. Step 2: Convert to fraction form
    269,598/422,883 = 422,883/x
  3. Step 3: Cross multiply
    269,598x = 422,883 × 422,883
  4. Step 4: Simplify right side
    269,598x = 178,830,031,689
  5. Step 5: Solve for x
    x = 178,830,031,689/269,598
  6. Step 6: Final answer
    x = 663,321.06

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.