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Finding the Third Proportional to 462 and 635.50

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Solution

The third proportional to 462 and 635.50 is: 874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    462 : 635.50 = 635.50 : x
  2. Step 2: Convert to fraction form
    462/635.50 = 635.50/x
  3. Step 3: Cross multiply
    462x = 635.50 × 635.50
  4. Step 4: Simplify right side
    462x = 403,860.25
  5. Step 5: Solve for x
    x = 403,860.25/462
  6. Step 6: Final answer
    x = 874.16

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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.