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Finding the Third Proportional to 235,812 and 509,144

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Solution

The third proportional to 235,812 and 509,144 is: 1,099,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,812 : 509,144 = 509,144 : x
  2. Step 2: Convert to fraction form
    235,812/509,144 = 509,144/x
  3. Step 3: Cross multiply
    235,812x = 509,144 × 509,144
  4. Step 4: Simplify right side
    235,812x = 259,227,612,736
  5. Step 5: Solve for x
    x = 259,227,612,736/235,812
  6. Step 6: Final answer
    x = 1,099,297.80

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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.