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Finding the Third Proportional to 156,313.50 and 336,327

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Solution

The third proportional to 156,313.50 and 336,327 is: 723,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,313.50 : 336,327 = 336,327 : x
  2. Step 2: Convert to fraction form
    156,313.50/336,327 = 336,327/x
  3. Step 3: Cross multiply
    156,313.50x = 336,327 × 336,327
  4. Step 4: Simplify right side
    156,313.50x = 113,115,850,929
  5. Step 5: Solve for x
    x = 113,115,850,929/156,313.50
  6. Step 6: Final answer
    x = 723,647.36

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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.