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Finding the Third Proportional to 156,003 and 336,915

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Solution

The third proportional to 156,003 and 336,915 is: 727,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,003 : 336,915 = 336,915 : x
  2. Step 2: Convert to fraction form
    156,003/336,915 = 336,915/x
  3. Step 3: Cross multiply
    156,003x = 336,915 × 336,915
  4. Step 4: Simplify right side
    156,003x = 113,511,717,225
  5. Step 5: Solve for x
    x = 113,511,717,225/156,003
  6. Step 6: Final answer
    x = 727,625.22

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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.