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Finding the Third Proportional to 4,328.44 and 7,171.03

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Solution

The third proportional to 4,328.44 and 7,171.03 is: 11,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.44 : 7,171.03 = 7,171.03 : x
  2. Step 2: Convert to fraction form
    4,328.44/7,171.03 = 7,171.03/x
  3. Step 3: Cross multiply
    4,328.44x = 7,171.03 × 7,171.03
  4. Step 4: Simplify right side
    4,328.44x = 51,423,689.19
  5. Step 5: Solve for x
    x = 51,423,689.19/4,328.44
  6. Step 6: Final answer
    x = 11,880.43

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.