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Finding the Third Proportional to 236,321.50 and 354,655

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Solution

The third proportional to 236,321.50 and 354,655 is: 532,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,321.50 : 354,655 = 354,655 : x
  2. Step 2: Convert to fraction form
    236,321.50/354,655 = 354,655/x
  3. Step 3: Cross multiply
    236,321.50x = 354,655 × 354,655
  4. Step 4: Simplify right side
    236,321.50x = 125,780,169,025
  5. Step 5: Solve for x
    x = 125,780,169,025/236,321.50
  6. Step 6: Final answer
    x = 532,241.75

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Why These Related Problems?

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