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Finding the Third Proportional to 335,108 and 728,392

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Solution

The third proportional to 335,108 and 728,392 is: 1,583,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,108 : 728,392 = 728,392 : x
  2. Step 2: Convert to fraction form
    335,108/728,392 = 728,392/x
  3. Step 3: Cross multiply
    335,108x = 728,392 × 728,392
  4. Step 4: Simplify right side
    335,108x = 530,554,905,664
  5. Step 5: Solve for x
    x = 530,554,905,664/335,108
  6. Step 6: Final answer
    x = 1,583,235.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.