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Finding the Third Proportional to 3,285.75 and 4,945.13

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Solution

The third proportional to 3,285.75 and 4,945.13 is: 7,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.75 : 4,945.13 = 4,945.13 : x
  2. Step 2: Convert to fraction form
    3,285.75/4,945.13 = 4,945.13/x
  3. Step 3: Cross multiply
    3,285.75x = 4,945.13 × 4,945.13
  4. Step 4: Simplify right side
    3,285.75x = 24,454,261.27
  5. Step 5: Solve for x
    x = 24,454,261.27/3,285.75
  6. Step 6: Final answer
    x = 7,442.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.