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Finding the Third Proportional to 3,319.50 and 4,902.75

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Solution

The third proportional to 3,319.50 and 4,902.75 is: 7,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.50 : 4,902.75 = 4,902.75 : x
  2. Step 2: Convert to fraction form
    3,319.50/4,902.75 = 4,902.75/x
  3. Step 3: Cross multiply
    3,319.50x = 4,902.75 × 4,902.75
  4. Step 4: Simplify right side
    3,319.50x = 24,036,957.56
  5. Step 5: Solve for x
    x = 24,036,957.56/3,319.50
  6. Step 6: Final answer
    x = 7,241.14

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.