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Finding the Third Proportional to 254 and 589

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Solution

The third proportional to 254 and 589 is: 1,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254 : 589 = 589 : x
  2. Step 2: Convert to fraction form
    254/589 = 589/x
  3. Step 3: Cross multiply
    254x = 589 × 589
  4. Step 4: Simplify right side
    254x = 346,921
  5. Step 5: Solve for x
    x = 346,921/254
  6. Step 6: Final answer
    x = 1,365.83

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.