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Finding the Third Proportional to 580.50 and 1,359.75

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Solution

The third proportional to 580.50 and 1,359.75 is: 3,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.50 : 1,359.75 = 1,359.75 : x
  2. Step 2: Convert to fraction form
    580.50/1,359.75 = 1,359.75/x
  3. Step 3: Cross multiply
    580.50x = 1,359.75 × 1,359.75
  4. Step 4: Simplify right side
    580.50x = 1,848,920.06
  5. Step 5: Solve for x
    x = 1,848,920.06/580.50
  6. Step 6: Final answer
    x = 3,185.05

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.