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Finding the Third Proportional to 6,805.50 and 8,445.75

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Solution

The third proportional to 6,805.50 and 8,445.75 is: 10,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.50 : 8,445.75 = 8,445.75 : x
  2. Step 2: Convert to fraction form
    6,805.50/8,445.75 = 8,445.75/x
  3. Step 3: Cross multiply
    6,805.50x = 8,445.75 × 8,445.75
  4. Step 4: Simplify right side
    6,805.50x = 71,330,693.06
  5. Step 5: Solve for x
    x = 71,330,693.06/6,805.50
  6. Step 6: Final answer
    x = 10,481.33

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Why These Related Problems?

These problems maintain the same ratio (1.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.