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Finding the Third Proportional to 30,183 and 40,228.50

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Solution

The third proportional to 30,183 and 40,228.50 is: 53,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183 : 40,228.50 = 40,228.50 : x
  2. Step 2: Convert to fraction form
    30,183/40,228.50 = 40,228.50/x
  3. Step 3: Cross multiply
    30,183x = 40,228.50 × 40,228.50
  4. Step 4: Simplify right side
    30,183x = 1,618,332,212.25
  5. Step 5: Solve for x
    x = 1,618,332,212.25/30,183
  6. Step 6: Final answer
    x = 53,617.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.