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Finding the Third Proportional to 20,751.88 and 45,864.75

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Solution

The third proportional to 20,751.88 and 45,864.75 is: 101,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,751.88 : 45,864.75 = 45,864.75 : x
  2. Step 2: Convert to fraction form
    20,751.88/45,864.75 = 45,864.75/x
  3. Step 3: Cross multiply
    20,751.88x = 45,864.75 × 45,864.75
  4. Step 4: Simplify right side
    20,751.88x = 2,103,575,292.56
  5. Step 5: Solve for x
    x = 2,103,575,292.56/20,751.88
  6. Step 6: Final answer
    x = 101,367.96

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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.