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Finding the Third Proportional to 14,044.50 and 21,120.75

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Solution

The third proportional to 14,044.50 and 21,120.75 is: 31,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.50 : 21,120.75 = 21,120.75 : x
  2. Step 2: Convert to fraction form
    14,044.50/21,120.75 = 21,120.75/x
  3. Step 3: Cross multiply
    14,044.50x = 21,120.75 × 21,120.75
  4. Step 4: Simplify right side
    14,044.50x = 446,086,080.56
  5. Step 5: Solve for x
    x = 446,086,080.56/14,044.50
  6. Step 6: Final answer
    x = 31,762.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.