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Finding the Third Proportional to 461.50 and 657.25

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Solution

The third proportional to 461.50 and 657.25 is: 936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.50 : 657.25 = 657.25 : x
  2. Step 2: Convert to fraction form
    461.50/657.25 = 657.25/x
  3. Step 3: Cross multiply
    461.50x = 657.25 × 657.25
  4. Step 4: Simplify right side
    461.50x = 431,977.56
  5. Step 5: Solve for x
    x = 431,977.56/461.50
  6. Step 6: Final answer
    x = 936.03

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.