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Finding the Third Proportional to 1,362.75 and 2,862.75

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Solution

The third proportional to 1,362.75 and 2,862.75 is: 6,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.75 : 2,862.75 = 2,862.75 : x
  2. Step 2: Convert to fraction form
    1,362.75/2,862.75 = 2,862.75/x
  3. Step 3: Cross multiply
    1,362.75x = 2,862.75 × 2,862.75
  4. Step 4: Simplify right side
    1,362.75x = 8,195,337.56
  5. Step 5: Solve for x
    x = 8,195,337.56/1,362.75
  6. Step 6: Final answer
    x = 6,013.82

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.