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Finding the Third Proportional to 755.06 and 1,201.31

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Solution

The third proportional to 755.06 and 1,201.31 is: 1,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.06 : 1,201.31 = 1,201.31 : x
  2. Step 2: Convert to fraction form
    755.06/1,201.31 = 1,201.31/x
  3. Step 3: Cross multiply
    755.06x = 1,201.31 × 1,201.31
  4. Step 4: Simplify right side
    755.06x = 1,443,151.72
  5. Step 5: Solve for x
    x = 1,443,151.72/755.06
  6. Step 6: Final answer
    x = 1,911.30

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.