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Finding the Third Proportional to 173,619 and 380,474

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Solution

The third proportional to 173,619 and 380,474 is: 833,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,619 : 380,474 = 380,474 : x
  2. Step 2: Convert to fraction form
    173,619/380,474 = 380,474/x
  3. Step 3: Cross multiply
    173,619x = 380,474 × 380,474
  4. Step 4: Simplify right side
    173,619x = 144,760,464,676
  5. Step 5: Solve for x
    x = 144,760,464,676/173,619
  6. Step 6: Final answer
    x = 833,782.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.