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Finding the Third Proportional to 20,126 and 43,492

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Solution

The third proportional to 20,126 and 43,492 is: 93,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126 : 43,492 = 43,492 : x
  2. Step 2: Convert to fraction form
    20,126/43,492 = 43,492/x
  3. Step 3: Cross multiply
    20,126x = 43,492 × 43,492
  4. Step 4: Simplify right side
    20,126x = 1,891,554,064
  5. Step 5: Solve for x
    x = 1,891,554,064/20,126
  6. Step 6: Final answer
    x = 93,985.59

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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.