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Finding the Third Proportional to 86,652 and 188,136

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Solution

The third proportional to 86,652 and 188,136 is: 408,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,652 : 188,136 = 188,136 : x
  2. Step 2: Convert to fraction form
    86,652/188,136 = 188,136/x
  3. Step 3: Cross multiply
    86,652x = 188,136 × 188,136
  4. Step 4: Simplify right side
    86,652x = 35,395,154,496
  5. Step 5: Solve for x
    x = 35,395,154,496/86,652
  6. Step 6: Final answer
    x = 408,474.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.