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Finding the Third Proportional to 2,976.75 and 5,325.75

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Solution

The third proportional to 2,976.75 and 5,325.75 is: 9,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.75 : 5,325.75 = 5,325.75 : x
  2. Step 2: Convert to fraction form
    2,976.75/5,325.75 = 5,325.75/x
  3. Step 3: Cross multiply
    2,976.75x = 5,325.75 × 5,325.75
  4. Step 4: Simplify right side
    2,976.75x = 28,363,613.06
  5. Step 5: Solve for x
    x = 28,363,613.06/2,976.75
  6. Step 6: Final answer
    x = 9,528.38

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.