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Finding the Third Proportional to 7,213.50 and 16,629.75

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Solution

The third proportional to 7,213.50 and 16,629.75 is: 38,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.50 : 16,629.75 = 16,629.75 : x
  2. Step 2: Convert to fraction form
    7,213.50/16,629.75 = 16,629.75/x
  3. Step 3: Cross multiply
    7,213.50x = 16,629.75 × 16,629.75
  4. Step 4: Simplify right side
    7,213.50x = 276,548,585.06
  5. Step 5: Solve for x
    x = 276,548,585.06/7,213.50
  6. Step 6: Final answer
    x = 38,337.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.