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Finding the Third Proportional to 9,147 and 20,043

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Solution

The third proportional to 9,147 and 20,043 is: 43,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147 : 20,043 = 20,043 : x
  2. Step 2: Convert to fraction form
    9,147/20,043 = 20,043/x
  3. Step 3: Cross multiply
    9,147x = 20,043 × 20,043
  4. Step 4: Simplify right side
    9,147x = 401,721,849
  5. Step 5: Solve for x
    x = 401,721,849/9,147
  6. Step 6: Final answer
    x = 43,918.43

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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.