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Finding the Third Proportional to 3,297 and 7,321.50

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Solution

The third proportional to 3,297 and 7,321.50 is: 16,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297 : 7,321.50 = 7,321.50 : x
  2. Step 2: Convert to fraction form
    3,297/7,321.50 = 7,321.50/x
  3. Step 3: Cross multiply
    3,297x = 7,321.50 × 7,321.50
  4. Step 4: Simplify right side
    3,297x = 53,604,362.25
  5. Step 5: Solve for x
    x = 53,604,362.25/3,297
  6. Step 6: Final answer
    x = 16,258.53

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.