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Finding the Third Proportional to 759.94 and 1,145.53

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Solution

The third proportional to 759.94 and 1,145.53 is: 1,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.94 : 1,145.53 = 1,145.53 : x
  2. Step 2: Convert to fraction form
    759.94/1,145.53 = 1,145.53/x
  3. Step 3: Cross multiply
    759.94x = 1,145.53 × 1,145.53
  4. Step 4: Simplify right side
    759.94x = 1,312,241.84
  5. Step 5: Solve for x
    x = 1,312,241.84/759.94
  6. Step 6: Final answer
    x = 1,726.78

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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.