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Finding the Third Proportional to 39,104 and 85,191

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Solution

The third proportional to 39,104 and 85,191 is: 185,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,104 : 85,191 = 85,191 : x
  2. Step 2: Convert to fraction form
    39,104/85,191 = 85,191/x
  3. Step 3: Cross multiply
    39,104x = 85,191 × 85,191
  4. Step 4: Simplify right side
    39,104x = 7,257,506,481
  5. Step 5: Solve for x
    x = 7,257,506,481/39,104
  6. Step 6: Final answer
    x = 185,594.99

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.