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Finding the Third Proportional to 73,907 and 162,121

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Solution

The third proportional to 73,907 and 162,121 is: 355,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,907 : 162,121 = 162,121 : x
  2. Step 2: Convert to fraction form
    73,907/162,121 = 162,121/x
  3. Step 3: Cross multiply
    73,907x = 162,121 × 162,121
  4. Step 4: Simplify right side
    73,907x = 26,283,218,641
  5. Step 5: Solve for x
    x = 26,283,218,641/73,907
  6. Step 6: Final answer
    x = 355,625.57

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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.