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Finding the Third Proportional to 196,107 and 276,157

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Solution

The third proportional to 196,107 and 276,157 is: 388,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,107 : 276,157 = 276,157 : x
  2. Step 2: Convert to fraction form
    196,107/276,157 = 276,157/x
  3. Step 3: Cross multiply
    196,107x = 276,157 × 276,157
  4. Step 4: Simplify right side
    196,107x = 76,262,688,649
  5. Step 5: Solve for x
    x = 76,262,688,649/196,107
  6. Step 6: Final answer
    x = 388,883.05

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.