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Finding the Third Proportional to 304.50 and 370.88

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Solution

The third proportional to 304.50 and 370.88 is: 451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.50 : 370.88 = 370.88 : x
  2. Step 2: Convert to fraction form
    304.50/370.88 = 370.88/x
  3. Step 3: Cross multiply
    304.50x = 370.88 × 370.88
  4. Step 4: Simplify right side
    304.50x = 137,548.27
  5. Step 5: Solve for x
    x = 137,548.27/304.50
  6. Step 6: Final answer
    x = 451.72

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.