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Finding the Third Proportional to 18,582 and 40,116

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Solution

The third proportional to 18,582 and 40,116 is: 86,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582 : 40,116 = 40,116 : x
  2. Step 2: Convert to fraction form
    18,582/40,116 = 40,116/x
  3. Step 3: Cross multiply
    18,582x = 40,116 × 40,116
  4. Step 4: Simplify right side
    18,582x = 1,609,293,456
  5. Step 5: Solve for x
    x = 1,609,293,456/18,582
  6. Step 6: Final answer
    x = 86,604.96

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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.