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Finding the Third Proportional to 8,958.09 and 19,703.25

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Solution

The third proportional to 8,958.09 and 19,703.25 is: 43,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.09 : 19,703.25 = 19,703.25 : x
  2. Step 2: Convert to fraction form
    8,958.09/19,703.25 = 19,703.25/x
  3. Step 3: Cross multiply
    8,958.09x = 19,703.25 × 19,703.25
  4. Step 4: Simplify right side
    8,958.09x = 388,218,060.56
  5. Step 5: Solve for x
    x = 388,218,060.56/8,958.09
  6. Step 6: Final answer
    x = 43,337.13

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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.