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Finding the Third Proportional to 171,803.50 and 276,173.50

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Solution

The third proportional to 171,803.50 and 276,173.50 is: 443,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,803.50 : 276,173.50 = 276,173.50 : x
  2. Step 2: Convert to fraction form
    171,803.50/276,173.50 = 276,173.50/x
  3. Step 3: Cross multiply
    171,803.50x = 276,173.50 × 276,173.50
  4. Step 4: Simplify right side
    171,803.50x = 76,271,802,102.25
  5. Step 5: Solve for x
    x = 76,271,802,102.25/171,803.50
  6. Step 6: Final answer
    x = 443,947.89

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.