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Finding the Third Proportional to 124.03 and 165.80

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Solution

The third proportional to 124.03 and 165.80 is: 221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.03 : 165.80 = 165.80 : x
  2. Step 2: Convert to fraction form
    124.03/165.80 = 165.80/x
  3. Step 3: Cross multiply
    124.03x = 165.80 × 165.80
  4. Step 4: Simplify right side
    124.03x = 27,488.60
  5. Step 5: Solve for x
    x = 27,488.60/124.03
  6. Step 6: Final answer
    x = 221.63

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.