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Finding the Third Proportional to 14,114.75 and 20,642.13

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Solution

The third proportional to 14,114.75 and 20,642.13 is: 30,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.75 : 20,642.13 = 20,642.13 : x
  2. Step 2: Convert to fraction form
    14,114.75/20,642.13 = 20,642.13/x
  3. Step 3: Cross multiply
    14,114.75x = 20,642.13 × 20,642.13
  4. Step 4: Simplify right side
    14,114.75x = 426,097,324.52
  5. Step 5: Solve for x
    x = 426,097,324.52/14,114.75
  6. Step 6: Final answer
    x = 30,188.09

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.