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Finding the Third Proportional to 92,120 and 201,800

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Solution

The third proportional to 92,120 and 201,800 is: 442,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,120 : 201,800 = 201,800 : x
  2. Step 2: Convert to fraction form
    92,120/201,800 = 201,800/x
  3. Step 3: Cross multiply
    92,120x = 201,800 × 201,800
  4. Step 4: Simplify right side
    92,120x = 40,723,240,000
  5. Step 5: Solve for x
    x = 40,723,240,000/92,120
  6. Step 6: Final answer
    x = 442,067.30

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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.