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Finding the Third Proportional to 39,692.75 and 54,055

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Solution

The third proportional to 39,692.75 and 54,055 is: 73,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,692.75 : 54,055 = 54,055 : x
  2. Step 2: Convert to fraction form
    39,692.75/54,055 = 54,055/x
  3. Step 3: Cross multiply
    39,692.75x = 54,055 × 54,055
  4. Step 4: Simplify right side
    39,692.75x = 2,921,943,025
  5. Step 5: Solve for x
    x = 2,921,943,025/39,692.75
  6. Step 6: Final answer
    x = 73,614.02

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.