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Finding the Third Proportional to 103 and 163.63

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Solution

The third proportional to 103 and 163.63 is: 259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103 : 163.63 = 163.63 : x
  2. Step 2: Convert to fraction form
    103/163.63 = 163.63/x
  3. Step 3: Cross multiply
    103x = 163.63 × 163.63
  4. Step 4: Simplify right side
    103x = 26,773.14
  5. Step 5: Solve for x
    x = 26,773.14/103
  6. Step 6: Final answer
    x = 259.93

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.