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Finding the Third Proportional to 1,812.38 and 2,544.19

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Solution

The third proportional to 1,812.38 and 2,544.19 is: 3,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.38 : 2,544.19 = 2,544.19 : x
  2. Step 2: Convert to fraction form
    1,812.38/2,544.19 = 2,544.19/x
  3. Step 3: Cross multiply
    1,812.38x = 2,544.19 × 2,544.19
  4. Step 4: Simplify right side
    1,812.38x = 6,472,890.04
  5. Step 5: Solve for x
    x = 6,472,890.04/1,812.38
  6. Step 6: Final answer
    x = 3,571.50

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Why These Related Problems?

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