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Finding the Third Proportional to 14,893.88 and 20,518.31

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Solution

The third proportional to 14,893.88 and 20,518.31 is: 28,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.88 : 20,518.31 = 20,518.31 : x
  2. Step 2: Convert to fraction form
    14,893.88/20,518.31 = 20,518.31/x
  3. Step 3: Cross multiply
    14,893.88x = 20,518.31 × 20,518.31
  4. Step 4: Simplify right side
    14,893.88x = 421,001,147.85
  5. Step 5: Solve for x
    x = 421,001,147.85/14,893.88
  6. Step 6: Final answer
    x = 28,266.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.