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Finding the Third Proportional to 759.75 and 1,145.06

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Solution

The third proportional to 759.75 and 1,145.06 is: 1,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.75 : 1,145.06 = 1,145.06 : x
  2. Step 2: Convert to fraction form
    759.75/1,145.06 = 1,145.06/x
  3. Step 3: Cross multiply
    759.75x = 1,145.06 × 1,145.06
  4. Step 4: Simplify right side
    759.75x = 1,311,168.13
  5. Step 5: Solve for x
    x = 1,311,168.13/759.75
  6. Step 6: Final answer
    x = 1,725.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.