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Finding the Third Proportional to 75,144 and 177,708

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Solution

The third proportional to 75,144 and 177,708 is: 420,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144 : 177,708 = 177,708 : x
  2. Step 2: Convert to fraction form
    75,144/177,708 = 177,708/x
  3. Step 3: Cross multiply
    75,144x = 177,708 × 177,708
  4. Step 4: Simplify right side
    75,144x = 31,580,133,264
  5. Step 5: Solve for x
    x = 31,580,133,264/75,144
  6. Step 6: Final answer
    x = 420,261.54

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.