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Finding the Third Proportional to 171,690.25 and 415,371.75

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Solution

The third proportional to 171,690.25 and 415,371.75 is: 1,004,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,690.25 : 415,371.75 = 415,371.75 : x
  2. Step 2: Convert to fraction form
    171,690.25/415,371.75 = 415,371.75/x
  3. Step 3: Cross multiply
    171,690.25x = 415,371.75 × 415,371.75
  4. Step 4: Simplify right side
    171,690.25x = 172,533,690,698.06
  5. Step 5: Solve for x
    x = 172,533,690,698.06/171,690.25
  6. Step 6: Final answer
    x = 1,004,912.57

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.