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Finding the Third Proportional to 20,732 and 44,420

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Solution

The third proportional to 20,732 and 44,420 is: 95,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732 : 44,420 = 44,420 : x
  2. Step 2: Convert to fraction form
    20,732/44,420 = 44,420/x
  3. Step 3: Cross multiply
    20,732x = 44,420 × 44,420
  4. Step 4: Simplify right side
    20,732x = 1,973,136,400
  5. Step 5: Solve for x
    x = 1,973,136,400/20,732
  6. Step 6: Final answer
    x = 95,173.47

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.