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Finding the Third Proportional to 544.75 and 589.75

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Solution

The third proportional to 544.75 and 589.75 is: 638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.75 : 589.75 = 589.75 : x
  2. Step 2: Convert to fraction form
    544.75/589.75 = 589.75/x
  3. Step 3: Cross multiply
    544.75x = 589.75 × 589.75
  4. Step 4: Simplify right side
    544.75x = 347,805.06
  5. Step 5: Solve for x
    x = 347,805.06/544.75
  6. Step 6: Final answer
    x = 638.47

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.