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Finding the Third Proportional to 5,433.75 and 10,489.50

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Solution

The third proportional to 5,433.75 and 10,489.50 is: 20,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.75 : 10,489.50 = 10,489.50 : x
  2. Step 2: Convert to fraction form
    5,433.75/10,489.50 = 10,489.50/x
  3. Step 3: Cross multiply
    5,433.75x = 10,489.50 × 10,489.50
  4. Step 4: Simplify right side
    5,433.75x = 110,029,610.25
  5. Step 5: Solve for x
    x = 110,029,610.25/5,433.75
  6. Step 6: Final answer
    x = 20,249.30

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.