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Finding the Third Proportional to 235,728 and 509,112

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Solution

The third proportional to 235,728 and 509,112 is: 1,099,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,728 : 509,112 = 509,112 : x
  2. Step 2: Convert to fraction form
    235,728/509,112 = 509,112/x
  3. Step 3: Cross multiply
    235,728x = 509,112 × 509,112
  4. Step 4: Simplify right side
    235,728x = 259,195,028,544
  5. Step 5: Solve for x
    x = 259,195,028,544/235,728
  6. Step 6: Final answer
    x = 1,099,551.30

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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.