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Finding the Third Proportional to 136,404.75 and 321,542.25

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Solution

The third proportional to 136,404.75 and 321,542.25 is: 757,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,404.75 : 321,542.25 = 321,542.25 : x
  2. Step 2: Convert to fraction form
    136,404.75/321,542.25 = 321,542.25/x
  3. Step 3: Cross multiply
    136,404.75x = 321,542.25 × 321,542.25
  4. Step 4: Simplify right side
    136,404.75x = 103,389,418,535.06
  5. Step 5: Solve for x
    x = 103,389,418,535.06/136,404.75
  6. Step 6: Final answer
    x = 757,960.54

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.