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Finding the Third Proportional to 176.91 and 358.59

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Solution

The third proportional to 176.91 and 358.59 is: 726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.91 : 358.59 = 358.59 : x
  2. Step 2: Convert to fraction form
    176.91/358.59 = 358.59/x
  3. Step 3: Cross multiply
    176.91x = 358.59 × 358.59
  4. Step 4: Simplify right side
    176.91x = 128,589.48
  5. Step 5: Solve for x
    x = 128,589.48/176.91
  6. Step 6: Final answer
    x = 726.88

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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.