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Finding the Third Proportional to 18,237 and 28,571.25

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Solution

The third proportional to 18,237 and 28,571.25 is: 44,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237 : 28,571.25 = 28,571.25 : x
  2. Step 2: Convert to fraction form
    18,237/28,571.25 = 28,571.25/x
  3. Step 3: Cross multiply
    18,237x = 28,571.25 × 28,571.25
  4. Step 4: Simplify right side
    18,237x = 816,316,326.56
  5. Step 5: Solve for x
    x = 816,316,326.56/18,237
  6. Step 6: Final answer
    x = 44,761.55

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.