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Finding the Third Proportional to 81,144 and 177,050

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Solution

The third proportional to 81,144 and 177,050 is: 386,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,144 : 177,050 = 177,050 : x
  2. Step 2: Convert to fraction form
    81,144/177,050 = 177,050/x
  3. Step 3: Cross multiply
    81,144x = 177,050 × 177,050
  4. Step 4: Simplify right side
    81,144x = 31,346,702,500
  5. Step 5: Solve for x
    x = 31,346,702,500/81,144
  6. Step 6: Final answer
    x = 386,309.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.