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Finding the Third Proportional to 1,325.50 and 1,861.75

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Solution

The third proportional to 1,325.50 and 1,861.75 is: 2,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.50 : 1,861.75 = 1,861.75 : x
  2. Step 2: Convert to fraction form
    1,325.50/1,861.75 = 1,861.75/x
  3. Step 3: Cross multiply
    1,325.50x = 1,861.75 × 1,861.75
  4. Step 4: Simplify right side
    1,325.50x = 3,466,113.06
  5. Step 5: Solve for x
    x = 3,466,113.06/1,325.50
  6. Step 6: Final answer
    x = 2,614.95

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.