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Finding the Third Proportional to 20,242 and 41,492

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Solution

The third proportional to 20,242 and 41,492 is: 85,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242 : 41,492 = 41,492 : x
  2. Step 2: Convert to fraction form
    20,242/41,492 = 41,492/x
  3. Step 3: Cross multiply
    20,242x = 41,492 × 41,492
  4. Step 4: Simplify right side
    20,242x = 1,721,586,064
  5. Step 5: Solve for x
    x = 1,721,586,064/20,242
  6. Step 6: Final answer
    x = 85,050.20

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.