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Finding the Third Proportional to 273 and 576.84

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Solution

The third proportional to 273 and 576.84 is: 1,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273 : 576.84 = 576.84 : x
  2. Step 2: Convert to fraction form
    273/576.84 = 576.84/x
  3. Step 3: Cross multiply
    273x = 576.84 × 576.84
  4. Step 4: Simplify right side
    273x = 332,748.71
  5. Step 5: Solve for x
    x = 332,748.71/273
  6. Step 6: Final answer
    x = 1,218.86

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.