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Finding the Third Proportional to 695.75 and 1,102.88

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Solution

The third proportional to 695.75 and 1,102.88 is: 1,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.75 : 1,102.88 = 1,102.88 : x
  2. Step 2: Convert to fraction form
    695.75/1,102.88 = 1,102.88/x
  3. Step 3: Cross multiply
    695.75x = 1,102.88 × 1,102.88
  4. Step 4: Simplify right side
    695.75x = 1,216,333.27
  5. Step 5: Solve for x
    x = 1,216,333.27/695.75
  6. Step 6: Final answer
    x = 1,748.23

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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.