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Finding the Third Proportional to 755.44 and 1,347.19

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Solution

The third proportional to 755.44 and 1,347.19 is: 2,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.44 : 1,347.19 = 1,347.19 : x
  2. Step 2: Convert to fraction form
    755.44/1,347.19 = 1,347.19/x
  3. Step 3: Cross multiply
    755.44x = 1,347.19 × 1,347.19
  4. Step 4: Simplify right side
    755.44x = 1,814,914.16
  5. Step 5: Solve for x
    x = 1,814,914.16/755.44
  6. Step 6: Final answer
    x = 2,402.47

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.