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Finding the Third Proportional to 14,108 and 21,702

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Solution

The third proportional to 14,108 and 21,702 is: 33,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108 : 21,702 = 21,702 : x
  2. Step 2: Convert to fraction form
    14,108/21,702 = 21,702/x
  3. Step 3: Cross multiply
    14,108x = 21,702 × 21,702
  4. Step 4: Simplify right side
    14,108x = 470,976,804
  5. Step 5: Solve for x
    x = 470,976,804/14,108
  6. Step 6: Final answer
    x = 33,383.67

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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.