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Finding the Third Proportional to 140,037 and 215,247

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Solution

The third proportional to 140,037 and 215,247 is: 330,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,037 : 215,247 = 215,247 : x
  2. Step 2: Convert to fraction form
    140,037/215,247 = 215,247/x
  3. Step 3: Cross multiply
    140,037x = 215,247 × 215,247
  4. Step 4: Simplify right side
    140,037x = 46,331,271,009
  5. Step 5: Solve for x
    x = 46,331,271,009/140,037
  6. Step 6: Final answer
    x = 330,850.21

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.