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Finding the Third Proportional to 3,357.50 and 7,338

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Solution

The third proportional to 3,357.50 and 7,338 is: 16,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.50 : 7,338 = 7,338 : x
  2. Step 2: Convert to fraction form
    3,357.50/7,338 = 7,338/x
  3. Step 3: Cross multiply
    3,357.50x = 7,338 × 7,338
  4. Step 4: Simplify right side
    3,357.50x = 53,846,244
  5. Step 5: Solve for x
    x = 53,846,244/3,357.50
  6. Step 6: Final answer
    x = 16,037.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.