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Finding the Third Proportional to 3,315.75 and 5,922.75

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Solution

The third proportional to 3,315.75 and 5,922.75 is: 10,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.75 : 5,922.75 = 5,922.75 : x
  2. Step 2: Convert to fraction form
    3,315.75/5,922.75 = 5,922.75/x
  3. Step 3: Cross multiply
    3,315.75x = 5,922.75 × 5,922.75
  4. Step 4: Simplify right side
    3,315.75x = 35,078,967.56
  5. Step 5: Solve for x
    x = 35,078,967.56/3,315.75
  6. Step 6: Final answer
    x = 10,579.50

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1.5x scale

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.