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Finding the Third Proportional to 583.75 and 1,268.75

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Solution

The third proportional to 583.75 and 1,268.75 is: 2,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.75 : 1,268.75 = 1,268.75 : x
  2. Step 2: Convert to fraction form
    583.75/1,268.75 = 1,268.75/x
  3. Step 3: Cross multiply
    583.75x = 1,268.75 × 1,268.75
  4. Step 4: Simplify right side
    583.75x = 1,609,726.56
  5. Step 5: Solve for x
    x = 1,609,726.56/583.75
  6. Step 6: Final answer
    x = 2,757.56

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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.