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Finding the Third Proportional to 3,306.50 and 5,316.50

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Solution

The third proportional to 3,306.50 and 5,316.50 is: 8,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.50 : 5,316.50 = 5,316.50 : x
  2. Step 2: Convert to fraction form
    3,306.50/5,316.50 = 5,316.50/x
  3. Step 3: Cross multiply
    3,306.50x = 5,316.50 × 5,316.50
  4. Step 4: Simplify right side
    3,306.50x = 28,265,172.25
  5. Step 5: Solve for x
    x = 28,265,172.25/3,306.50
  6. Step 6: Final answer
    x = 8,548.37

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.