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Finding the Third Proportional to 20,835 and 45,954

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Solution

The third proportional to 20,835 and 45,954 is: 101,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,835 : 45,954 = 45,954 : x
  2. Step 2: Convert to fraction form
    20,835/45,954 = 45,954/x
  3. Step 3: Cross multiply
    20,835x = 45,954 × 45,954
  4. Step 4: Simplify right side
    20,835x = 2,111,770,116
  5. Step 5: Solve for x
    x = 2,111,770,116/20,835
  6. Step 6: Final answer
    x = 101,356.86

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.