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Finding the Third Proportional to 3,280.03 and 5,130.53

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Solution

The third proportional to 3,280.03 and 5,130.53 is: 8,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.03 : 5,130.53 = 5,130.53 : x
  2. Step 2: Convert to fraction form
    3,280.03/5,130.53 = 5,130.53/x
  3. Step 3: Cross multiply
    3,280.03x = 5,130.53 × 5,130.53
  4. Step 4: Simplify right side
    3,280.03x = 26,322,310.82
  5. Step 5: Solve for x
    x = 26,322,310.82/3,280.03
  6. Step 6: Final answer
    x = 8,025.03

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.