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Finding the Third Proportional to 92,621 and 199,642

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Solution

The third proportional to 92,621 and 199,642 is: 430,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,621 : 199,642 = 199,642 : x
  2. Step 2: Convert to fraction form
    92,621/199,642 = 199,642/x
  3. Step 3: Cross multiply
    92,621x = 199,642 × 199,642
  4. Step 4: Simplify right side
    92,621x = 39,856,928,164
  5. Step 5: Solve for x
    x = 39,856,928,164/92,621
  6. Step 6: Final answer
    x = 430,322.80

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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.