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Finding the Third Proportional to 339,282 and 509,692

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Solution

The third proportional to 339,282 and 509,692 is: 765,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,282 : 509,692 = 509,692 : x
  2. Step 2: Convert to fraction form
    339,282/509,692 = 509,692/x
  3. Step 3: Cross multiply
    339,282x = 509,692 × 509,692
  4. Step 4: Simplify right side
    339,282x = 259,785,934,864
  5. Step 5: Solve for x
    x = 259,785,934,864/339,282
  6. Step 6: Final answer
    x = 765,693.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.