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Finding the Third Proportional to 109,165.50 and 173,589.75

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Solution

The third proportional to 109,165.50 and 173,589.75 is: 276,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,165.50 : 173,589.75 = 173,589.75 : x
  2. Step 2: Convert to fraction form
    109,165.50/173,589.75 = 173,589.75/x
  3. Step 3: Cross multiply
    109,165.50x = 173,589.75 × 173,589.75
  4. Step 4: Simplify right side
    109,165.50x = 30,133,401,305.06
  5. Step 5: Solve for x
    x = 30,133,401,305.06/109,165.50
  6. Step 6: Final answer
    x = 276,034.11

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.