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Finding the Third Proportional to 20,230 and 43,772

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Solution

The third proportional to 20,230 and 43,772 is: 94,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230 : 43,772 = 43,772 : x
  2. Step 2: Convert to fraction form
    20,230/43,772 = 43,772/x
  3. Step 3: Cross multiply
    20,230x = 43,772 × 43,772
  4. Step 4: Simplify right side
    20,230x = 1,915,987,984
  5. Step 5: Solve for x
    x = 1,915,987,984/20,230
  6. Step 6: Final answer
    x = 94,710.23

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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.