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Finding the Third Proportional to 227,169 and 356,381

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Solution

The third proportional to 227,169 and 356,381 is: 559,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,169 : 356,381 = 356,381 : x
  2. Step 2: Convert to fraction form
    227,169/356,381 = 356,381/x
  3. Step 3: Cross multiply
    227,169x = 356,381 × 356,381
  4. Step 4: Simplify right side
    227,169x = 127,007,417,161
  5. Step 5: Solve for x
    x = 127,007,417,161/227,169
  6. Step 6: Final answer
    x = 559,087.80

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.