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Finding the Third Proportional to 54,270 and 82,863

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Solution

The third proportional to 54,270 and 82,863 is: 126,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270 : 82,863 = 82,863 : x
  2. Step 2: Convert to fraction form
    54,270/82,863 = 82,863/x
  3. Step 3: Cross multiply
    54,270x = 82,863 × 82,863
  4. Step 4: Simplify right side
    54,270x = 6,866,276,769
  5. Step 5: Solve for x
    x = 6,866,276,769/54,270
  6. Step 6: Final answer
    x = 126,520.67

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.