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Finding the Third Proportional to 1,342.41 and 2,940.47

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Solution

The third proportional to 1,342.41 and 2,940.47 is: 6,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.41 : 2,940.47 = 2,940.47 : x
  2. Step 2: Convert to fraction form
    1,342.41/2,940.47 = 2,940.47/x
  3. Step 3: Cross multiply
    1,342.41x = 2,940.47 × 2,940.47
  4. Step 4: Simplify right side
    1,342.41x = 8,646,356.47
  5. Step 5: Solve for x
    x = 8,646,356.47/1,342.41
  6. Step 6: Final answer
    x = 6,440.94

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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.