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Finding the Third Proportional to 128,170,162 and 275,450,180

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Solution

The third proportional to 128,170,162 and 275,450,180 is: 591,969,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,170,162 : 275,450,180 = 275,450,180 : x
  2. Step 2: Convert to fraction form
    128,170,162/275,450,180 = 275,450,180/x
  3. Step 3: Cross multiply
    128,170,162x = 275,450,180 × 275,450,180
  4. Step 4: Simplify right side
    128,170,162x = 75,872,801,662,032,400
  5. Step 5: Solve for x
    x = 75,872,801,662,032,400/128,170,162
  6. Step 6: Final answer
    x = 591,969,304.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.