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Finding the Third Proportional to 305,185.22 and 662,910.75

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Solution

The third proportional to 305,185.22 and 662,910.75 is: 1,439,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,185.22 : 662,910.75 = 662,910.75 : x
  2. Step 2: Convert to fraction form
    305,185.22/662,910.75 = 662,910.75/x
  3. Step 3: Cross multiply
    305,185.22x = 662,910.75 × 662,910.75
  4. Step 4: Simplify right side
    305,185.22x = 439,450,662,465.56
  5. Step 5: Solve for x
    x = 439,450,662,465.56/305,185.22
  6. Step 6: Final answer
    x = 1,439,947.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.