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Finding the Third Proportional to 73,906.88 and 162,120.19

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Solution

The third proportional to 73,906.88 and 162,120.19 is: 355,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,906.88 : 162,120.19 = 162,120.19 : x
  2. Step 2: Convert to fraction form
    73,906.88/162,120.19 = 162,120.19/x
  3. Step 3: Cross multiply
    73,906.88x = 162,120.19 × 162,120.19
  4. Step 4: Simplify right side
    73,906.88x = 26,282,955,195.04
  5. Step 5: Solve for x
    x = 26,282,955,195.04/73,906.88
  6. Step 6: Final answer
    x = 355,622.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.