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Finding the Third Proportional to 9,561 and 20,967

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Solution

The third proportional to 9,561 and 20,967 is: 45,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561 : 20,967 = 20,967 : x
  2. Step 2: Convert to fraction form
    9,561/20,967 = 20,967/x
  3. Step 3: Cross multiply
    9,561x = 20,967 × 20,967
  4. Step 4: Simplify right side
    9,561x = 439,615,089
  5. Step 5: Solve for x
    x = 439,615,089/9,561
  6. Step 6: Final answer
    x = 45,980.03

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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.