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Finding the Third Proportional to 5,412.75 and 8,097

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Solution

The third proportional to 5,412.75 and 8,097 is: 12,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.75 : 8,097 = 8,097 : x
  2. Step 2: Convert to fraction form
    5,412.75/8,097 = 8,097/x
  3. Step 3: Cross multiply
    5,412.75x = 8,097 × 8,097
  4. Step 4: Simplify right side
    5,412.75x = 65,561,409
  5. Step 5: Solve for x
    x = 65,561,409/5,412.75
  6. Step 6: Final answer
    x = 12,112.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.