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Finding the Third Proportional to 18,617.25 and 40,581.75

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Solution

The third proportional to 18,617.25 and 40,581.75 is: 88,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.25 : 40,581.75 = 40,581.75 : x
  2. Step 2: Convert to fraction form
    18,617.25/40,581.75 = 40,581.75/x
  3. Step 3: Cross multiply
    18,617.25x = 40,581.75 × 40,581.75
  4. Step 4: Simplify right side
    18,617.25x = 1,646,878,433.06
  5. Step 5: Solve for x
    x = 1,646,878,433.06/18,617.25
  6. Step 6: Final answer
    x = 88,459.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.