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Finding the Third Proportional to 7,665.75 and 10,847.25

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Solution

The third proportional to 7,665.75 and 10,847.25 is: 15,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.75 : 10,847.25 = 10,847.25 : x
  2. Step 2: Convert to fraction form
    7,665.75/10,847.25 = 10,847.25/x
  3. Step 3: Cross multiply
    7,665.75x = 10,847.25 × 10,847.25
  4. Step 4: Simplify right side
    7,665.75x = 117,662,832.56
  5. Step 5: Solve for x
    x = 117,662,832.56/7,665.75
  6. Step 6: Final answer
    x = 15,349.16

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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.