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Finding the Third Proportional to 1,162.88 and 1,797.75

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Solution

The third proportional to 1,162.88 and 1,797.75 is: 2,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.88 : 1,797.75 = 1,797.75 : x
  2. Step 2: Convert to fraction form
    1,162.88/1,797.75 = 1,797.75/x
  3. Step 3: Cross multiply
    1,162.88x = 1,797.75 × 1,797.75
  4. Step 4: Simplify right side
    1,162.88x = 3,231,905.06
  5. Step 5: Solve for x
    x = 3,231,905.06/1,162.88
  6. Step 6: Final answer
    x = 2,779.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.