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Finding the Third Proportional to 1,624.75 and 2,143.75

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Solution

The third proportional to 1,624.75 and 2,143.75 is: 2,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.75 : 2,143.75 = 2,143.75 : x
  2. Step 2: Convert to fraction form
    1,624.75/2,143.75 = 2,143.75/x
  3. Step 3: Cross multiply
    1,624.75x = 2,143.75 × 2,143.75
  4. Step 4: Simplify right side
    1,624.75x = 4,595,664.06
  5. Step 5: Solve for x
    x = 4,595,664.06/1,624.75
  6. Step 6: Final answer
    x = 2,828.54

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.