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Finding the Third Proportional to 4,340.75 and 9,340.63

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Solution

The third proportional to 4,340.75 and 9,340.63 is: 20,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.75 : 9,340.63 = 9,340.63 : x
  2. Step 2: Convert to fraction form
    4,340.75/9,340.63 = 9,340.63/x
  3. Step 3: Cross multiply
    4,340.75x = 9,340.63 × 9,340.63
  4. Step 4: Simplify right side
    4,340.75x = 87,247,275.39
  5. Step 5: Solve for x
    x = 87,247,275.39/4,340.75
  6. Step 6: Final answer
    x = 20,099.59

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.