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Finding the Third Proportional to 165,163.50 and 439,816.50

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Solution

The third proportional to 165,163.50 and 439,816.50 is: 1,171,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,163.50 : 439,816.50 = 439,816.50 : x
  2. Step 2: Convert to fraction form
    165,163.50/439,816.50 = 439,816.50/x
  3. Step 3: Cross multiply
    165,163.50x = 439,816.50 × 439,816.50
  4. Step 4: Simplify right side
    165,163.50x = 193,438,553,672.25
  5. Step 5: Solve for x
    x = 193,438,553,672.25/165,163.50
  6. Step 6: Final answer
    x = 1,171,194.32

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Why These Related Problems?

These problems maintain the same ratio (2.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.