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Finding the Third Proportional to 3,280.50 and 6,932.25

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Solution

The third proportional to 3,280.50 and 6,932.25 is: 14,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.50 : 6,932.25 = 6,932.25 : x
  2. Step 2: Convert to fraction form
    3,280.50/6,932.25 = 6,932.25/x
  3. Step 3: Cross multiply
    3,280.50x = 6,932.25 × 6,932.25
  4. Step 4: Simplify right side
    3,280.50x = 48,056,090.06
  5. Step 5: Solve for x
    x = 48,056,090.06/3,280.50
  6. Step 6: Final answer
    x = 14,649.01

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.