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Finding the Third Proportional to 18,636.19 and 28,250.44

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Solution

The third proportional to 18,636.19 and 28,250.44 is: 42,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.19 : 28,250.44 = 28,250.44 : x
  2. Step 2: Convert to fraction form
    18,636.19/28,250.44 = 28,250.44/x
  3. Step 3: Cross multiply
    18,636.19x = 28,250.44 × 28,250.44
  4. Step 4: Simplify right side
    18,636.19x = 798,087,218.94
  5. Step 5: Solve for x
    x = 798,087,218.94/18,636.19
  6. Step 6: Final answer
    x = 42,824.60

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.