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Finding the Third Proportional to 494.25 and 1,079.25

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Solution

The third proportional to 494.25 and 1,079.25 is: 2,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.25 : 1,079.25 = 1,079.25 : x
  2. Step 2: Convert to fraction form
    494.25/1,079.25 = 1,079.25/x
  3. Step 3: Cross multiply
    494.25x = 1,079.25 × 1,079.25
  4. Step 4: Simplify right side
    494.25x = 1,164,780.56
  5. Step 5: Solve for x
    x = 1,164,780.56/494.25
  6. Step 6: Final answer
    x = 2,356.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.