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Finding the Third Proportional to 481.31 and 632.06

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Solution

The third proportional to 481.31 and 632.06 is: 830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.31 : 632.06 = 632.06 : x
  2. Step 2: Convert to fraction form
    481.31/632.06 = 632.06/x
  3. Step 3: Cross multiply
    481.31x = 632.06 × 632.06
  4. Step 4: Simplify right side
    481.31x = 399,503.00
  5. Step 5: Solve for x
    x = 399,503.00/481.31
  6. Step 6: Final answer
    x = 830.03

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.