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Finding the Third Proportional to 143,010 and 214,239

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Solution

The third proportional to 143,010 and 214,239 is: 320,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010 : 214,239 = 214,239 : x
  2. Step 2: Convert to fraction form
    143,010/214,239 = 214,239/x
  3. Step 3: Cross multiply
    143,010x = 214,239 × 214,239
  4. Step 4: Simplify right side
    143,010x = 45,898,349,121
  5. Step 5: Solve for x
    x = 45,898,349,121/143,010
  6. Step 6: Final answer
    x = 320,945.03

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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.