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Finding the Third Proportional to 21,463 and 33,272.75

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Solution

The third proportional to 21,463 and 33,272.75 is: 51,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463 : 33,272.75 = 33,272.75 : x
  2. Step 2: Convert to fraction form
    21,463/33,272.75 = 33,272.75/x
  3. Step 3: Cross multiply
    21,463x = 33,272.75 × 33,272.75
  4. Step 4: Simplify right side
    21,463x = 1,107,075,892.56
  5. Step 5: Solve for x
    x = 1,107,075,892.56/21,463
  6. Step 6: Final answer
    x = 51,580.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.