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Finding the Third Proportional to 9,425 and 20,707

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Solution

The third proportional to 9,425 and 20,707 is: 45,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425 : 20,707 = 20,707 : x
  2. Step 2: Convert to fraction form
    9,425/20,707 = 20,707/x
  3. Step 3: Cross multiply
    9,425x = 20,707 × 20,707
  4. Step 4: Simplify right side
    9,425x = 428,779,849
  5. Step 5: Solve for x
    x = 428,779,849/9,425
  6. Step 6: Final answer
    x = 45,493.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.