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Finding the Third Proportional to 759.38 and 1,173.23

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Solution

The third proportional to 759.38 and 1,173.23 is: 1,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.38 : 1,173.23 = 1,173.23 : x
  2. Step 2: Convert to fraction form
    759.38/1,173.23 = 1,173.23/x
  3. Step 3: Cross multiply
    759.38x = 1,173.23 × 1,173.23
  4. Step 4: Simplify right side
    759.38x = 1,376,478.90
  5. Step 5: Solve for x
    x = 1,376,478.90/759.38
  6. Step 6: Final answer
    x = 1,812.65

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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.