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Finding the Third Proportional to 121,123 and 247,156

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Solution

The third proportional to 121,123 and 247,156 is: 504,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,123 : 247,156 = 247,156 : x
  2. Step 2: Convert to fraction form
    121,123/247,156 = 247,156/x
  3. Step 3: Cross multiply
    121,123x = 247,156 × 247,156
  4. Step 4: Simplify right side
    121,123x = 61,086,088,336
  5. Step 5: Solve for x
    x = 61,086,088,336/121,123
  6. Step 6: Final answer
    x = 504,331.04

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.