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Finding the Third Proportional to 306.56 and 466.13

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Solution

The third proportional to 306.56 and 466.13 is: 708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.56 : 466.13 = 466.13 : x
  2. Step 2: Convert to fraction form
    306.56/466.13 = 466.13/x
  3. Step 3: Cross multiply
    306.56x = 466.13 × 466.13
  4. Step 4: Simplify right side
    306.56x = 217,272.52
  5. Step 5: Solve for x
    x = 217,272.52/306.56
  6. Step 6: Final answer
    x = 708.74

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.