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Finding the Third Proportional to 19,085 and 28,075

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Solution

The third proportional to 19,085 and 28,075 is: 41,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085 : 28,075 = 28,075 : x
  2. Step 2: Convert to fraction form
    19,085/28,075 = 28,075/x
  3. Step 3: Cross multiply
    19,085x = 28,075 × 28,075
  4. Step 4: Simplify right side
    19,085x = 788,205,625
  5. Step 5: Solve for x
    x = 788,205,625/19,085
  6. Step 6: Final answer
    x = 41,299.74

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Why These Related Problems?

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