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Finding the Third Proportional to 583.50 and 1,269

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Solution

The third proportional to 583.50 and 1,269 is: 2,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.50 : 1,269 = 1,269 : x
  2. Step 2: Convert to fraction form
    583.50/1,269 = 1,269/x
  3. Step 3: Cross multiply
    583.50x = 1,269 × 1,269
  4. Step 4: Simplify right side
    583.50x = 1,610,361
  5. Step 5: Solve for x
    x = 1,610,361/583.50
  6. Step 6: Final answer
    x = 2,759.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.