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Finding the Third Proportional to 3,180.38 and 6,973.31

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Solution

The third proportional to 3,180.38 and 6,973.31 is: 15,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.38 : 6,973.31 = 6,973.31 : x
  2. Step 2: Convert to fraction form
    3,180.38/6,973.31 = 6,973.31/x
  3. Step 3: Cross multiply
    3,180.38x = 6,973.31 × 6,973.31
  4. Step 4: Simplify right side
    3,180.38x = 48,627,087.22
  5. Step 5: Solve for x
    x = 48,627,087.22/3,180.38
  6. Step 6: Final answer
    x = 15,289.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.