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Finding the Third Proportional to 275,190.75 and 437,799.75

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Solution

The third proportional to 275,190.75 and 437,799.75 is: 696,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,190.75 : 437,799.75 = 437,799.75 : x
  2. Step 2: Convert to fraction form
    275,190.75/437,799.75 = 437,799.75/x
  3. Step 3: Cross multiply
    275,190.75x = 437,799.75 × 437,799.75
  4. Step 4: Simplify right side
    275,190.75x = 191,668,621,100.06
  5. Step 5: Solve for x
    x = 191,668,621,100.06/275,190.75
  6. Step 6: Final answer
    x = 696,493.69

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.