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Finding the Third Proportional to 4,392.56 and 6,903.56

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Solution

The third proportional to 4,392.56 and 6,903.56 is: 10,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.56 : 6,903.56 = 6,903.56 : x
  2. Step 2: Convert to fraction form
    4,392.56/6,903.56 = 6,903.56/x
  3. Step 3: Cross multiply
    4,392.56x = 6,903.56 × 6,903.56
  4. Step 4: Simplify right side
    4,392.56x = 47,659,175.19
  5. Step 5: Solve for x
    x = 47,659,175.19/4,392.56
  6. Step 6: Final answer
    x = 10,849.97

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.