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Finding the Third Proportional to 2,673.38 and 6,440.38

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Solution

The third proportional to 2,673.38 and 6,440.38 is: 15,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.38 : 6,440.38 = 6,440.38 : x
  2. Step 2: Convert to fraction form
    2,673.38/6,440.38 = 6,440.38/x
  3. Step 3: Cross multiply
    2,673.38x = 6,440.38 × 6,440.38
  4. Step 4: Simplify right side
    2,673.38x = 41,478,430.14
  5. Step 5: Solve for x
    x = 41,478,430.14/2,673.38
  6. Step 6: Final answer
    x = 15,515.38

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.