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Finding the Third Proportional to 12,611.25 and 18,551.25

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Solution

The third proportional to 12,611.25 and 18,551.25 is: 27,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611.25 : 18,551.25 = 18,551.25 : x
  2. Step 2: Convert to fraction form
    12,611.25/18,551.25 = 18,551.25/x
  3. Step 3: Cross multiply
    12,611.25x = 18,551.25 × 18,551.25
  4. Step 4: Simplify right side
    12,611.25x = 344,148,876.56
  5. Step 5: Solve for x
    x = 344,148,876.56/12,611.25
  6. Step 6: Final answer
    x = 27,289.04

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.