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Finding the Third Proportional to 12,548.75 and 20,180

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Solution

The third proportional to 12,548.75 and 20,180 is: 32,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.75 : 20,180 = 20,180 : x
  2. Step 2: Convert to fraction form
    12,548.75/20,180 = 20,180/x
  3. Step 3: Cross multiply
    12,548.75x = 20,180 × 20,180
  4. Step 4: Simplify right side
    12,548.75x = 407,232,400
  5. Step 5: Solve for x
    x = 407,232,400/12,548.75
  6. Step 6: Final answer
    x = 32,452.03

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.