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Finding the Third Proportional to 10,959.75 and 16,439.63

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Solution

The third proportional to 10,959.75 and 16,439.63 is: 24,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.75 : 16,439.63 = 16,439.63 : x
  2. Step 2: Convert to fraction form
    10,959.75/16,439.63 = 16,439.63/x
  3. Step 3: Cross multiply
    10,959.75x = 16,439.63 × 16,439.63
  4. Step 4: Simplify right side
    10,959.75x = 270,261,270.14
  5. Step 5: Solve for x
    x = 270,261,270.14/10,959.75
  6. Step 6: Final answer
    x = 24,659.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.