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Finding the Third Proportional to 284.91 and 579.56

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Solution

The third proportional to 284.91 and 579.56 is: 1,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.91 : 579.56 = 579.56 : x
  2. Step 2: Convert to fraction form
    284.91/579.56 = 579.56/x
  3. Step 3: Cross multiply
    284.91x = 579.56 × 579.56
  4. Step 4: Simplify right side
    284.91x = 335,892.69
  5. Step 5: Solve for x
    x = 335,892.69/284.91
  6. Step 6: Final answer
    x = 1,178.96

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.