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Finding the Third Proportional to 74,181 and 163,104

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Solution

The third proportional to 74,181 and 163,104 is: 358,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181 : 163,104 = 163,104 : x
  2. Step 2: Convert to fraction form
    74,181/163,104 = 163,104/x
  3. Step 3: Cross multiply
    74,181x = 163,104 × 163,104
  4. Step 4: Simplify right side
    74,181x = 26,602,914,816
  5. Step 5: Solve for x
    x = 26,602,914,816/74,181
  6. Step 6: Final answer
    x = 358,621.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.