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Finding the Third Proportional to 181,284 and 384,576

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Solution

The third proportional to 181,284 and 384,576 is: 815,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,284 : 384,576 = 384,576 : x
  2. Step 2: Convert to fraction form
    181,284/384,576 = 384,576/x
  3. Step 3: Cross multiply
    181,284x = 384,576 × 384,576
  4. Step 4: Simplify right side
    181,284x = 147,898,699,776
  5. Step 5: Solve for x
    x = 147,898,699,776/181,284
  6. Step 6: Final answer
    x = 815,839.79

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.