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Finding the Third Proportional to 171,823.78 and 377,520.75

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Solution

The third proportional to 171,823.78 and 377,520.75 is: 829,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,823.78 : 377,520.75 = 377,520.75 : x
  2. Step 2: Convert to fraction form
    171,823.78/377,520.75 = 377,520.75/x
  3. Step 3: Cross multiply
    171,823.78x = 377,520.75 × 377,520.75
  4. Step 4: Simplify right side
    171,823.78x = 142,521,916,680.56
  5. Step 5: Solve for x
    x = 142,521,916,680.56/171,823.78
  6. Step 6: Final answer
    x = 829,465.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.