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Finding the Third Proportional to 222,810.12 and 481,128.61

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Solution

The third proportional to 222,810.12 and 481,128.61 is: 1,038,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,810.12 : 481,128.61 = 481,128.61 : x
  2. Step 2: Convert to fraction form
    222,810.12/481,128.61 = 481,128.61/x
  3. Step 3: Cross multiply
    222,810.12x = 481,128.61 × 481,128.61
  4. Step 4: Simplify right side
    222,810.12x = 231,484,738,759.12
  5. Step 5: Solve for x
    x = 231,484,738,759.12/222,810.12
  6. Step 6: Final answer
    x = 1,038,932.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.