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Finding the Third Proportional to 18,574.50 and 28,217.25

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Solution

The third proportional to 18,574.50 and 28,217.25 is: 42,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.50 : 28,217.25 = 28,217.25 : x
  2. Step 2: Convert to fraction form
    18,574.50/28,217.25 = 28,217.25/x
  3. Step 3: Cross multiply
    18,574.50x = 28,217.25 × 28,217.25
  4. Step 4: Simplify right side
    18,574.50x = 796,213,197.56
  5. Step 5: Solve for x
    x = 796,213,197.56/18,574.50
  6. Step 6: Final answer
    x = 42,865.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.