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Finding the Third Proportional to 306.94 and 337.88

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Solution

The third proportional to 306.94 and 337.88 is: 371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.94 : 337.88 = 337.88 : x
  2. Step 2: Convert to fraction form
    306.94/337.88 = 337.88/x
  3. Step 3: Cross multiply
    306.94x = 337.88 × 337.88
  4. Step 4: Simplify right side
    306.94x = 114,159.52
  5. Step 5: Solve for x
    x = 114,159.52/306.94
  6. Step 6: Final answer
    x = 371.93

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.