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Finding the Third Proportional to 9,801 and 20,351.25

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Solution

The third proportional to 9,801 and 20,351.25 is: 42,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801 : 20,351.25 = 20,351.25 : x
  2. Step 2: Convert to fraction form
    9,801/20,351.25 = 20,351.25/x
  3. Step 3: Cross multiply
    9,801x = 20,351.25 × 20,351.25
  4. Step 4: Simplify right side
    9,801x = 414,173,376.56
  5. Step 5: Solve for x
    x = 414,173,376.56/9,801
  6. Step 6: Final answer
    x = 42,258.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.