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Finding the Third Proportional to 14,124.75 and 20,755.13

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Solution

The third proportional to 14,124.75 and 20,755.13 is: 30,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.75 : 20,755.13 = 20,755.13 : x
  2. Step 2: Convert to fraction form
    14,124.75/20,755.13 = 20,755.13/x
  3. Step 3: Cross multiply
    14,124.75x = 20,755.13 × 20,755.13
  4. Step 4: Simplify right side
    14,124.75x = 430,775,213.77
  5. Step 5: Solve for x
    x = 430,775,213.77/14,124.75
  6. Step 6: Final answer
    x = 30,497.90

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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.