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Finding the Third Proportional to 3,360.75 and 3,968.25

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Solution

The third proportional to 3,360.75 and 3,968.25 is: 4,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.75 : 3,968.25 = 3,968.25 : x
  2. Step 2: Convert to fraction form
    3,360.75/3,968.25 = 3,968.25/x
  3. Step 3: Cross multiply
    3,360.75x = 3,968.25 × 3,968.25
  4. Step 4: Simplify right side
    3,360.75x = 15,747,008.06
  5. Step 5: Solve for x
    x = 15,747,008.06/3,360.75
  6. Step 6: Final answer
    x = 4,685.56

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.