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Finding the Third Proportional to 126,201 and 188,207.50

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Solution

The third proportional to 126,201 and 188,207.50 is: 280,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,201 : 188,207.50 = 188,207.50 : x
  2. Step 2: Convert to fraction form
    126,201/188,207.50 = 188,207.50/x
  3. Step 3: Cross multiply
    126,201x = 188,207.50 × 188,207.50
  4. Step 4: Simplify right side
    126,201x = 35,422,063,056.25
  5. Step 5: Solve for x
    x = 35,422,063,056.25/126,201
  6. Step 6: Final answer
    x = 280,679.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.