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Finding the Third Proportional to 173,143.50 and 270,648.75

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Solution

The third proportional to 173,143.50 and 270,648.75 is: 423,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,143.50 : 270,648.75 = 270,648.75 : x
  2. Step 2: Convert to fraction form
    173,143.50/270,648.75 = 270,648.75/x
  3. Step 3: Cross multiply
    173,143.50x = 270,648.75 × 270,648.75
  4. Step 4: Simplify right side
    173,143.50x = 73,250,745,876.56
  5. Step 5: Solve for x
    x = 73,250,745,876.56/173,143.50
  6. Step 6: Final answer
    x = 423,063.79

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.