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Finding the Third Proportional to 633.75 and 928.75

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Solution

The third proportional to 633.75 and 928.75 is: 1,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.75 : 928.75 = 928.75 : x
  2. Step 2: Convert to fraction form
    633.75/928.75 = 928.75/x
  3. Step 3: Cross multiply
    633.75x = 928.75 × 928.75
  4. Step 4: Simplify right side
    633.75x = 862,576.56
  5. Step 5: Solve for x
    x = 862,576.56/633.75
  6. Step 6: Final answer
    x = 1,361.07

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.