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Finding the Third Proportional to 156,015 and 335,369

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Solution

The third proportional to 156,015 and 335,369 is: 720,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,015 : 335,369 = 335,369 : x
  2. Step 2: Convert to fraction form
    156,015/335,369 = 335,369/x
  3. Step 3: Cross multiply
    156,015x = 335,369 × 335,369
  4. Step 4: Simplify right side
    156,015x = 112,472,366,161
  5. Step 5: Solve for x
    x = 112,472,366,161/156,015
  6. Step 6: Final answer
    x = 720,907.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.