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Finding the Third Proportional to 366.50 and 762.50

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Solution

The third proportional to 366.50 and 762.50 is: 1,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.50 : 762.50 = 762.50 : x
  2. Step 2: Convert to fraction form
    366.50/762.50 = 762.50/x
  3. Step 3: Cross multiply
    366.50x = 762.50 × 762.50
  4. Step 4: Simplify right side
    366.50x = 581,406.25
  5. Step 5: Solve for x
    x = 581,406.25/366.50
  6. Step 6: Final answer
    x = 1,586.37

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.