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Finding the Third Proportional to 18,504 and 40,126.50

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Solution

The third proportional to 18,504 and 40,126.50 is: 87,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504 : 40,126.50 = 40,126.50 : x
  2. Step 2: Convert to fraction form
    18,504/40,126.50 = 40,126.50/x
  3. Step 3: Cross multiply
    18,504x = 40,126.50 × 40,126.50
  4. Step 4: Simplify right side
    18,504x = 1,610,136,002.25
  5. Step 5: Solve for x
    x = 1,610,136,002.25/18,504
  6. Step 6: Final answer
    x = 87,015.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.