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Finding the Third Proportional to 9,107.44 and 19,958.91

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Solution

The third proportional to 9,107.44 and 19,958.91 is: 43,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.44 : 19,958.91 = 19,958.91 : x
  2. Step 2: Convert to fraction form
    9,107.44/19,958.91 = 19,958.91/x
  3. Step 3: Cross multiply
    9,107.44x = 19,958.91 × 19,958.91
  4. Step 4: Simplify right side
    9,107.44x = 398,357,938.70
  5. Step 5: Solve for x
    x = 398,357,938.70/9,107.44
  6. Step 6: Final answer
    x = 43,739.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.