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Finding the Third Proportional to 13,935 and 21,586

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Solution

The third proportional to 13,935 and 21,586 is: 33,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935 : 21,586 = 21,586 : x
  2. Step 2: Convert to fraction form
    13,935/21,586 = 21,586/x
  3. Step 3: Cross multiply
    13,935x = 21,586 × 21,586
  4. Step 4: Simplify right side
    13,935x = 465,955,396
  5. Step 5: Solve for x
    x = 465,955,396/13,935
  6. Step 6: Final answer
    x = 33,437.78

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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.