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Finding the Third Proportional to 325.50 and 414.50

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Solution

The third proportional to 325.50 and 414.50 is: 527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.50 : 414.50 = 414.50 : x
  2. Step 2: Convert to fraction form
    325.50/414.50 = 414.50/x
  3. Step 3: Cross multiply
    325.50x = 414.50 × 414.50
  4. Step 4: Simplify right side
    325.50x = 171,810.25
  5. Step 5: Solve for x
    x = 171,810.25/325.50
  6. Step 6: Final answer
    x = 527.83

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.