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Finding the Third Proportional to 82,908 and 177,644

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Solution

The third proportional to 82,908 and 177,644 is: 380,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,908 : 177,644 = 177,644 : x
  2. Step 2: Convert to fraction form
    82,908/177,644 = 177,644/x
  3. Step 3: Cross multiply
    82,908x = 177,644 × 177,644
  4. Step 4: Simplify right side
    82,908x = 31,557,390,736
  5. Step 5: Solve for x
    x = 31,557,390,736/82,908
  6. Step 6: Final answer
    x = 380,631.43

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.