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Finding the Third Proportional to 71,222 and 153,866

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Solution

The third proportional to 71,222 and 153,866 is: 332,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,222 : 153,866 = 153,866 : x
  2. Step 2: Convert to fraction form
    71,222/153,866 = 153,866/x
  3. Step 3: Cross multiply
    71,222x = 153,866 × 153,866
  4. Step 4: Simplify right side
    71,222x = 23,674,745,956
  5. Step 5: Solve for x
    x = 23,674,745,956/71,222
  6. Step 6: Final answer
    x = 332,407.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.