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Finding the Third Proportional to 344.63 and 755.81

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Solution

The third proportional to 344.63 and 755.81 is: 1,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.63 : 755.81 = 755.81 : x
  2. Step 2: Convert to fraction form
    344.63/755.81 = 755.81/x
  3. Step 3: Cross multiply
    344.63x = 755.81 × 755.81
  4. Step 4: Simplify right side
    344.63x = 571,252.54
  5. Step 5: Solve for x
    x = 571,252.54/344.63
  6. Step 6: Final answer
    x = 1,657.61

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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.