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Finding the Third Proportional to 18,826.25 and 28,241.75

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Solution

The third proportional to 18,826.25 and 28,241.75 is: 42,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.25 : 28,241.75 = 28,241.75 : x
  2. Step 2: Convert to fraction form
    18,826.25/28,241.75 = 28,241.75/x
  3. Step 3: Cross multiply
    18,826.25x = 28,241.75 × 28,241.75
  4. Step 4: Simplify right side
    18,826.25x = 797,596,443.06
  5. Step 5: Solve for x
    x = 797,596,443.06/18,826.25
  6. Step 6: Final answer
    x = 42,366.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.