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Finding the Third Proportional to 347.63 and 755.75

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Solution

The third proportional to 347.63 and 755.75 is: 1,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.63 : 755.75 = 755.75 : x
  2. Step 2: Convert to fraction form
    347.63/755.75 = 755.75/x
  3. Step 3: Cross multiply
    347.63x = 755.75 × 755.75
  4. Step 4: Simplify right side
    347.63x = 571,158.06
  5. Step 5: Solve for x
    x = 571,158.06/347.63
  6. Step 6: Final answer
    x = 1,643.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.