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Finding the Third Proportional to 48,556.50 and 69,765

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Solution

The third proportional to 48,556.50 and 69,765 is: 100,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,556.50 : 69,765 = 69,765 : x
  2. Step 2: Convert to fraction form
    48,556.50/69,765 = 69,765/x
  3. Step 3: Cross multiply
    48,556.50x = 69,765 × 69,765
  4. Step 4: Simplify right side
    48,556.50x = 4,867,155,225
  5. Step 5: Solve for x
    x = 4,867,155,225/48,556.50
  6. Step 6: Final answer
    x = 100,236.95

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.