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Finding the Third Proportional to 126,516.50 and 190,608

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Solution

The third proportional to 126,516.50 and 190,608 is: 287,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,516.50 : 190,608 = 190,608 : x
  2. Step 2: Convert to fraction form
    126,516.50/190,608 = 190,608/x
  3. Step 3: Cross multiply
    126,516.50x = 190,608 × 190,608
  4. Step 4: Simplify right side
    126,516.50x = 36,331,409,664
  5. Step 5: Solve for x
    x = 36,331,409,664/126,516.50
  6. Step 6: Final answer
    x = 287,167.36

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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.