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Finding the Third Proportional to 18,893.25 and 28,157.63

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Solution

The third proportional to 18,893.25 and 28,157.63 is: 41,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893.25 : 28,157.63 = 28,157.63 : x
  2. Step 2: Convert to fraction form
    18,893.25/28,157.63 = 28,157.63/x
  3. Step 3: Cross multiply
    18,893.25x = 28,157.63 × 28,157.63
  4. Step 4: Simplify right side
    18,893.25x = 792,851,845.64
  5. Step 5: Solve for x
    x = 792,851,845.64/18,893.25
  6. Step 6: Final answer
    x = 41,964.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.