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Finding the Third Proportional to 2,179.75 and 2,476.75

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Solution

The third proportional to 2,179.75 and 2,476.75 is: 2,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.75 : 2,476.75 = 2,476.75 : x
  2. Step 2: Convert to fraction form
    2,179.75/2,476.75 = 2,476.75/x
  3. Step 3: Cross multiply
    2,179.75x = 2,476.75 × 2,476.75
  4. Step 4: Simplify right side
    2,179.75x = 6,134,290.56
  5. Step 5: Solve for x
    x = 6,134,290.56/2,179.75
  6. Step 6: Final answer
    x = 2,814.22

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.