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Finding the Third Proportional to 675 and 963.75

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Solution

The third proportional to 675 and 963.75 is: 1,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    675 : 963.75 = 963.75 : x
  2. Step 2: Convert to fraction form
    675/963.75 = 963.75/x
  3. Step 3: Cross multiply
    675x = 963.75 × 963.75
  4. Step 4: Simplify right side
    675x = 928,814.06
  5. Step 5: Solve for x
    x = 928,814.06/675
  6. Step 6: Final answer
    x = 1,376.02

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.