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Finding the Third Proportional to 18,965.39 and 26,692.03

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Solution

The third proportional to 18,965.39 and 26,692.03 is: 37,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.39 : 26,692.03 = 26,692.03 : x
  2. Step 2: Convert to fraction form
    18,965.39/26,692.03 = 26,692.03/x
  3. Step 3: Cross multiply
    18,965.39x = 26,692.03 × 26,692.03
  4. Step 4: Simplify right side
    18,965.39x = 712,464,532.25
  5. Step 5: Solve for x
    x = 712,464,532.25/18,965.39
  6. Step 6: Final answer
    x = 37,566.56

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.