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Finding the Third Proportional to 92,350 and 199,120

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Solution

The third proportional to 92,350 and 199,120 is: 429,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,350 : 199,120 = 199,120 : x
  2. Step 2: Convert to fraction form
    92,350/199,120 = 199,120/x
  3. Step 3: Cross multiply
    92,350x = 199,120 × 199,120
  4. Step 4: Simplify right side
    92,350x = 39,648,774,400
  5. Step 5: Solve for x
    x = 39,648,774,400/92,350
  6. Step 6: Final answer
    x = 429,331.61

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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.