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Finding the Third Proportional to 6,945.75 and 15,167.25

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Solution

The third proportional to 6,945.75 and 15,167.25 is: 33,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.75 : 15,167.25 = 15,167.25 : x
  2. Step 2: Convert to fraction form
    6,945.75/15,167.25 = 15,167.25/x
  3. Step 3: Cross multiply
    6,945.75x = 15,167.25 × 15,167.25
  4. Step 4: Simplify right side
    6,945.75x = 230,045,472.56
  5. Step 5: Solve for x
    x = 230,045,472.56/6,945.75
  6. Step 6: Final answer
    x = 33,120.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.