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Finding the Third Proportional to 18,011.25 and 28,184.63

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Solution

The third proportional to 18,011.25 and 28,184.63 is: 44,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.25 : 28,184.63 = 28,184.63 : x
  2. Step 2: Convert to fraction form
    18,011.25/28,184.63 = 28,184.63/x
  3. Step 3: Cross multiply
    18,011.25x = 28,184.63 × 28,184.63
  4. Step 4: Simplify right side
    18,011.25x = 794,373,086.39
  5. Step 5: Solve for x
    x = 794,373,086.39/18,011.25
  6. Step 6: Final answer
    x = 44,104.27

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.