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Finding the Third Proportional to 276.63 and 589.25

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Solution

The third proportional to 276.63 and 589.25 is: 1,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.63 : 589.25 = 589.25 : x
  2. Step 2: Convert to fraction form
    276.63/589.25 = 589.25/x
  3. Step 3: Cross multiply
    276.63x = 589.25 × 589.25
  4. Step 4: Simplify right side
    276.63x = 347,215.56
  5. Step 5: Solve for x
    x = 347,215.56/276.63
  6. Step 6: Final answer
    x = 1,255.19

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.