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Finding the Third Proportional to 14,635 and 31,493

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Solution

The third proportional to 14,635 and 31,493 is: 67,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635 : 31,493 = 31,493 : x
  2. Step 2: Convert to fraction form
    14,635/31,493 = 31,493/x
  3. Step 3: Cross multiply
    14,635x = 31,493 × 31,493
  4. Step 4: Simplify right side
    14,635x = 991,809,049
  5. Step 5: Solve for x
    x = 991,809,049/14,635
  6. Step 6: Final answer
    x = 67,769.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.