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Finding the Third Proportional to 667,321.50 and 1,439,619

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Solution

The third proportional to 667,321.50 and 1,439,619 is: 3,105,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,321.50 : 1,439,619 = 1,439,619 : x
  2. Step 2: Convert to fraction form
    667,321.50/1,439,619 = 1,439,619/x
  3. Step 3: Cross multiply
    667,321.50x = 1,439,619 × 1,439,619
  4. Step 4: Simplify right side
    667,321.50x = 2,072,502,865,161
  5. Step 5: Solve for x
    x = 2,072,502,865,161/667,321.50
  6. Step 6: Final answer
    x = 3,105,703.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.