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Finding the Third Proportional to 9,763 and 21,425

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Solution

The third proportional to 9,763 and 21,425 is: 47,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763 : 21,425 = 21,425 : x
  2. Step 2: Convert to fraction form
    9,763/21,425 = 21,425/x
  3. Step 3: Cross multiply
    9,763x = 21,425 × 21,425
  4. Step 4: Simplify right side
    9,763x = 459,030,625
  5. Step 5: Solve for x
    x = 459,030,625/9,763
  6. Step 6: Final answer
    x = 47,017.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.