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Finding the Third Proportional to 9,629 and 20,695

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Solution

The third proportional to 9,629 and 20,695 is: 44,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629 : 20,695 = 20,695 : x
  2. Step 2: Convert to fraction form
    9,629/20,695 = 20,695/x
  3. Step 3: Cross multiply
    9,629x = 20,695 × 20,695
  4. Step 4: Simplify right side
    9,629x = 428,283,025
  5. Step 5: Solve for x
    x = 428,283,025/9,629
  6. Step 6: Final answer
    x = 44,478.45

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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.