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Finding the Third Proportional to 22,617 and 40,131

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Solution

The third proportional to 22,617 and 40,131 is: 71,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617 : 40,131 = 40,131 : x
  2. Step 2: Convert to fraction form
    22,617/40,131 = 40,131/x
  3. Step 3: Cross multiply
    22,617x = 40,131 × 40,131
  4. Step 4: Simplify right side
    22,617x = 1,610,497,161
  5. Step 5: Solve for x
    x = 1,610,497,161/22,617
  6. Step 6: Final answer
    x = 71,207.37

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.