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Finding the Third Proportional to 100,734.75 and 136,309.50

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Solution

The third proportional to 100,734.75 and 136,309.50 is: 184,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,734.75 : 136,309.50 = 136,309.50 : x
  2. Step 2: Convert to fraction form
    100,734.75/136,309.50 = 136,309.50/x
  3. Step 3: Cross multiply
    100,734.75x = 136,309.50 × 136,309.50
  4. Step 4: Simplify right side
    100,734.75x = 18,580,279,790.25
  5. Step 5: Solve for x
    x = 18,580,279,790.25/100,734.75
  6. Step 6: Final answer
    x = 184,447.57

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.