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Finding the Third Proportional to 20,040.75 and 29,126.25

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Solution

The third proportional to 20,040.75 and 29,126.25 is: 42,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.75 : 29,126.25 = 29,126.25 : x
  2. Step 2: Convert to fraction form
    20,040.75/29,126.25 = 29,126.25/x
  3. Step 3: Cross multiply
    20,040.75x = 29,126.25 × 29,126.25
  4. Step 4: Simplify right side
    20,040.75x = 848,338,439.06
  5. Step 5: Solve for x
    x = 848,338,439.06/20,040.75
  6. Step 6: Final answer
    x = 42,330.67

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.