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Finding the Third Proportional to 2,982.75 and 6,758.25

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Solution

The third proportional to 2,982.75 and 6,758.25 is: 15,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.75 : 6,758.25 = 6,758.25 : x
  2. Step 2: Convert to fraction form
    2,982.75/6,758.25 = 6,758.25/x
  3. Step 3: Cross multiply
    2,982.75x = 6,758.25 × 6,758.25
  4. Step 4: Simplify right side
    2,982.75x = 45,673,943.06
  5. Step 5: Solve for x
    x = 45,673,943.06/2,982.75
  6. Step 6: Final answer
    x = 15,312.70

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.