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Finding the Third Proportional to 173,799 and 380,817

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Solution

The third proportional to 173,799 and 380,817 is: 834,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,799 : 380,817 = 380,817 : x
  2. Step 2: Convert to fraction form
    173,799/380,817 = 380,817/x
  3. Step 3: Cross multiply
    173,799x = 380,817 × 380,817
  4. Step 4: Simplify right side
    173,799x = 145,021,587,489
  5. Step 5: Solve for x
    x = 145,021,587,489/173,799
  6. Step 6: Final answer
    x = 834,421.30

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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.