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Finding the Third Proportional to 136,262 and 212,668

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Solution

The third proportional to 136,262 and 212,668 is: 331,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,262 : 212,668 = 212,668 : x
  2. Step 2: Convert to fraction form
    136,262/212,668 = 212,668/x
  3. Step 3: Cross multiply
    136,262x = 212,668 × 212,668
  4. Step 4: Simplify right side
    136,262x = 45,227,678,224
  5. Step 5: Solve for x
    x = 45,227,678,224/136,262
  6. Step 6: Final answer
    x = 331,917.03

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.