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Finding the Third Proportional to 126,115.50 and 210,192

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Solution

The third proportional to 126,115.50 and 210,192 is: 350,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.50 : 210,192 = 210,192 : x
  2. Step 2: Convert to fraction form
    126,115.50/210,192 = 210,192/x
  3. Step 3: Cross multiply
    126,115.50x = 210,192 × 210,192
  4. Step 4: Simplify right side
    126,115.50x = 44,180,676,864
  5. Step 5: Solve for x
    x = 44,180,676,864/126,115.50
  6. Step 6: Final answer
    x = 350,319.17

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.