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Finding the Third Proportional to 143,000 and 214,224

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Solution

The third proportional to 143,000 and 214,224 is: 320,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,000 : 214,224 = 214,224 : x
  2. Step 2: Convert to fraction form
    143,000/214,224 = 214,224/x
  3. Step 3: Cross multiply
    143,000x = 214,224 × 214,224
  4. Step 4: Simplify right side
    143,000x = 45,891,922,176
  5. Step 5: Solve for x
    x = 45,891,922,176/143,000
  6. Step 6: Final answer
    x = 320,922.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.