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Finding the Third Proportional to 92,619 and 199,638

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Solution

The third proportional to 92,619 and 199,638 is: 430,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,619 : 199,638 = 199,638 : x
  2. Step 2: Convert to fraction form
    92,619/199,638 = 199,638/x
  3. Step 3: Cross multiply
    92,619x = 199,638 × 199,638
  4. Step 4: Simplify right side
    92,619x = 39,855,331,044
  5. Step 5: Solve for x
    x = 39,855,331,044/92,619
  6. Step 6: Final answer
    x = 430,314.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.