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Finding the Third Proportional to 14,121 and 30,462.75

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Solution

The third proportional to 14,121 and 30,462.75 is: 65,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121 : 30,462.75 = 30,462.75 : x
  2. Step 2: Convert to fraction form
    14,121/30,462.75 = 30,462.75/x
  3. Step 3: Cross multiply
    14,121x = 30,462.75 × 30,462.75
  4. Step 4: Simplify right side
    14,121x = 927,979,137.56
  5. Step 5: Solve for x
    x = 927,979,137.56/14,121
  6. Step 6: Final answer
    x = 65,716.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.