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Finding the Third Proportional to 2,685.75 and 6,276.75

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Solution

The third proportional to 2,685.75 and 6,276.75 is: 14,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.75 : 6,276.75 = 6,276.75 : x
  2. Step 2: Convert to fraction form
    2,685.75/6,276.75 = 6,276.75/x
  3. Step 3: Cross multiply
    2,685.75x = 6,276.75 × 6,276.75
  4. Step 4: Simplify right side
    2,685.75x = 39,397,590.56
  5. Step 5: Solve for x
    x = 39,397,590.56/2,685.75
  6. Step 6: Final answer
    x = 14,669.12

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.