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Finding the Third Proportional to 156,161.25 and 336,010.50

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Solution

The third proportional to 156,161.25 and 336,010.50 is: 722,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,161.25 : 336,010.50 = 336,010.50 : x
  2. Step 2: Convert to fraction form
    156,161.25/336,010.50 = 336,010.50/x
  3. Step 3: Cross multiply
    156,161.25x = 336,010.50 × 336,010.50
  4. Step 4: Simplify right side
    156,161.25x = 112,903,056,110.25
  5. Step 5: Solve for x
    x = 112,903,056,110.25/156,161.25
  6. Step 6: Final answer
    x = 722,990.22

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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.