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Finding the Third Proportional to 103,936.50 and 156,840.75

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Solution

The third proportional to 103,936.50 and 156,840.75 is: 236,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,936.50 : 156,840.75 = 156,840.75 : x
  2. Step 2: Convert to fraction form
    103,936.50/156,840.75 = 156,840.75/x
  3. Step 3: Cross multiply
    103,936.50x = 156,840.75 × 156,840.75
  4. Step 4: Simplify right side
    103,936.50x = 24,599,020,860.56
  5. Step 5: Solve for x
    x = 24,599,020,860.56/103,936.50
  6. Step 6: Final answer
    x = 236,673.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.