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Finding the Third Proportional to 19,550 and 38,122

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Solution

The third proportional to 19,550 and 38,122 is: 74,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550 : 38,122 = 38,122 : x
  2. Step 2: Convert to fraction form
    19,550/38,122 = 38,122/x
  3. Step 3: Cross multiply
    19,550x = 38,122 × 38,122
  4. Step 4: Simplify right side
    19,550x = 1,453,286,884
  5. Step 5: Solve for x
    x = 1,453,286,884/19,550
  6. Step 6: Final answer
    x = 74,336.93

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.