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Finding the Third Proportional to 9,975 and 20,982

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Solution

The third proportional to 9,975 and 20,982 is: 44,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975 : 20,982 = 20,982 : x
  2. Step 2: Convert to fraction form
    9,975/20,982 = 20,982/x
  3. Step 3: Cross multiply
    9,975x = 20,982 × 20,982
  4. Step 4: Simplify right side
    9,975x = 440,244,324
  5. Step 5: Solve for x
    x = 440,244,324/9,975
  6. Step 6: Final answer
    x = 44,134.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.