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Finding the Third Proportional to 20,808.28 and 45,858.19

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Solution

The third proportional to 20,808.28 and 45,858.19 is: 101,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808.28 : 45,858.19 = 45,858.19 : x
  2. Step 2: Convert to fraction form
    20,808.28/45,858.19 = 45,858.19/x
  3. Step 3: Cross multiply
    20,808.28x = 45,858.19 × 45,858.19
  4. Step 4: Simplify right side
    20,808.28x = 2,102,973,360.79
  5. Step 5: Solve for x
    x = 2,102,973,360.79/20,808.28
  6. Step 6: Final answer
    x = 101,064.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.