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Finding the Third Proportional to 18,776.25 and 35,187.75

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Solution

The third proportional to 18,776.25 and 35,187.75 is: 65,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776.25 : 35,187.75 = 35,187.75 : x
  2. Step 2: Convert to fraction form
    18,776.25/35,187.75 = 35,187.75/x
  3. Step 3: Cross multiply
    18,776.25x = 35,187.75 × 35,187.75
  4. Step 4: Simplify right side
    18,776.25x = 1,238,177,750.06
  5. Step 5: Solve for x
    x = 1,238,177,750.06/18,776.25
  6. Step 6: Final answer
    x = 65,943.83

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.