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Finding the Third Proportional to 173,728.50 and 275,313.75

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Solution

The third proportional to 173,728.50 and 275,313.75 is: 436,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,728.50 : 275,313.75 = 275,313.75 : x
  2. Step 2: Convert to fraction form
    173,728.50/275,313.75 = 275,313.75/x
  3. Step 3: Cross multiply
    173,728.50x = 275,313.75 × 275,313.75
  4. Step 4: Simplify right side
    173,728.50x = 75,797,660,939.06
  5. Step 5: Solve for x
    x = 75,797,660,939.06/173,728.50
  6. Step 6: Final answer
    x = 436,299.52

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.