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Finding the Third Proportional to 207,876 and 334,778

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Solution

The third proportional to 207,876 and 334,778 is: 539,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,876 : 334,778 = 334,778 : x
  2. Step 2: Convert to fraction form
    207,876/334,778 = 334,778/x
  3. Step 3: Cross multiply
    207,876x = 334,778 × 334,778
  4. Step 4: Simplify right side
    207,876x = 112,076,309,284
  5. Step 5: Solve for x
    x = 112,076,309,284/207,876
  6. Step 6: Final answer
    x = 539,149.83

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.