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Finding the Third Proportional to 21,586 and 33,347

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Solution

The third proportional to 21,586 and 33,347 is: 51,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586 : 33,347 = 33,347 : x
  2. Step 2: Convert to fraction form
    21,586/33,347 = 33,347/x
  3. Step 3: Cross multiply
    21,586x = 33,347 × 33,347
  4. Step 4: Simplify right side
    21,586x = 1,112,022,409
  5. Step 5: Solve for x
    x = 1,112,022,409/21,586
  6. Step 6: Final answer
    x = 51,515.91

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.