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Finding the Third Proportional to 20,871.75 and 46,245.75

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Solution

The third proportional to 20,871.75 and 46,245.75 is: 102,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,871.75 : 46,245.75 = 46,245.75 : x
  2. Step 2: Convert to fraction form
    20,871.75/46,245.75 = 46,245.75/x
  3. Step 3: Cross multiply
    20,871.75x = 46,245.75 × 46,245.75
  4. Step 4: Simplify right side
    20,871.75x = 2,138,669,393.06
  5. Step 5: Solve for x
    x = 2,138,669,393.06/20,871.75
  6. Step 6: Final answer
    x = 102,467.18

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.