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Finding the Third Proportional to 640,163.50 and 1,379,573

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Solution

The third proportional to 640,163.50 and 1,379,573 is: 2,973,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,163.50 : 1,379,573 = 1,379,573 : x
  2. Step 2: Convert to fraction form
    640,163.50/1,379,573 = 1,379,573/x
  3. Step 3: Cross multiply
    640,163.50x = 1,379,573 × 1,379,573
  4. Step 4: Simplify right side
    640,163.50x = 1,903,221,662,329
  5. Step 5: Solve for x
    x = 1,903,221,662,329/640,163.50
  6. Step 6: Final answer
    x = 2,973,024.33

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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.