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Finding the Third Proportional to 219,832.50 and 330,330.75

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Solution

The third proportional to 219,832.50 and 330,330.75 is: 496,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,832.50 : 330,330.75 = 330,330.75 : x
  2. Step 2: Convert to fraction form
    219,832.50/330,330.75 = 330,330.75/x
  3. Step 3: Cross multiply
    219,832.50x = 330,330.75 × 330,330.75
  4. Step 4: Simplify right side
    219,832.50x = 109,118,404,395.56
  5. Step 5: Solve for x
    x = 109,118,404,395.56/219,832.50
  6. Step 6: Final answer
    x = 496,370.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.