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Finding the Third Proportional to 1,190.32 and 1,739.92

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Solution

The third proportional to 1,190.32 and 1,739.92 is: 2,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.32 : 1,739.92 = 1,739.92 : x
  2. Step 2: Convert to fraction form
    1,190.32/1,739.92 = 1,739.92/x
  3. Step 3: Cross multiply
    1,190.32x = 1,739.92 × 1,739.92
  4. Step 4: Simplify right side
    1,190.32x = 3,027,314.54
  5. Step 5: Solve for x
    x = 3,027,314.54/1,190.32
  6. Step 6: Final answer
    x = 2,543.28

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.