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Finding the Third Proportional to 461 and 635

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Solution

The third proportional to 461 and 635 is: 874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    461 : 635 = 635 : x
  2. Step 2: Convert to fraction form
    461/635 = 635/x
  3. Step 3: Cross multiply
    461x = 635 × 635
  4. Step 4: Simplify right side
    461x = 403,225
  5. Step 5: Solve for x
    x = 403,225/461
  6. Step 6: Final answer
    x = 874.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.