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Finding the Third Proportional to 171,403 and 372,290

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Solution

The third proportional to 171,403 and 372,290 is: 808,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,403 : 372,290 = 372,290 : x
  2. Step 2: Convert to fraction form
    171,403/372,290 = 372,290/x
  3. Step 3: Cross multiply
    171,403x = 372,290 × 372,290
  4. Step 4: Simplify right side
    171,403x = 138,599,844,100
  5. Step 5: Solve for x
    x = 138,599,844,100/171,403
  6. Step 6: Final answer
    x = 808,619.71

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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.