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Finding the Third Proportional to 126,917.50 and 168,471.50

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Solution

The third proportional to 126,917.50 and 168,471.50 is: 223,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,917.50 : 168,471.50 = 168,471.50 : x
  2. Step 2: Convert to fraction form
    126,917.50/168,471.50 = 168,471.50/x
  3. Step 3: Cross multiply
    126,917.50x = 168,471.50 × 168,471.50
  4. Step 4: Simplify right side
    126,917.50x = 28,382,646,312.25
  5. Step 5: Solve for x
    x = 28,382,646,312.25/126,917.50
  6. Step 6: Final answer
    x = 223,630.68

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.