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Finding the Third Proportional to 2,119.50 and 3,125.25

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Solution

The third proportional to 2,119.50 and 3,125.25 is: 4,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.50 : 3,125.25 = 3,125.25 : x
  2. Step 2: Convert to fraction form
    2,119.50/3,125.25 = 3,125.25/x
  3. Step 3: Cross multiply
    2,119.50x = 3,125.25 × 3,125.25
  4. Step 4: Simplify right side
    2,119.50x = 9,767,187.56
  5. Step 5: Solve for x
    x = 9,767,187.56/2,119.50
  6. Step 6: Final answer
    x = 4,608.25

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.