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Finding the Third Proportional to 39,087 and 79,556.50

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Solution

The third proportional to 39,087 and 79,556.50 is: 161,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087 : 79,556.50 = 79,556.50 : x
  2. Step 2: Convert to fraction form
    39,087/79,556.50 = 79,556.50/x
  3. Step 3: Cross multiply
    39,087x = 79,556.50 × 79,556.50
  4. Step 4: Simplify right side
    39,087x = 6,329,236,692.25
  5. Step 5: Solve for x
    x = 6,329,236,692.25/39,087
  6. Step 6: Final answer
    x = 161,926.90

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.