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Finding the Third Proportional to 494.75 and 1,088.75

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Solution

The third proportional to 494.75 and 1,088.75 is: 2,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.75 : 1,088.75 = 1,088.75 : x
  2. Step 2: Convert to fraction form
    494.75/1,088.75 = 1,088.75/x
  3. Step 3: Cross multiply
    494.75x = 1,088.75 × 1,088.75
  4. Step 4: Simplify right side
    494.75x = 1,185,376.56
  5. Step 5: Solve for x
    x = 1,185,376.56/494.75
  6. Step 6: Final answer
    x = 2,395.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.