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Finding the Third Proportional to 2,925 and 6,975

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Solution

The third proportional to 2,925 and 6,975 is: 16,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925 : 6,975 = 6,975 : x
  2. Step 2: Convert to fraction form
    2,925/6,975 = 6,975/x
  3. Step 3: Cross multiply
    2,925x = 6,975 × 6,975
  4. Step 4: Simplify right side
    2,925x = 48,650,625
  5. Step 5: Solve for x
    x = 48,650,625/2,925
  6. Step 6: Final answer
    x = 16,632.69

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.