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Finding the Third Proportional to 14,065 and 20,881

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Solution

The third proportional to 14,065 and 20,881 is: 31,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065 : 20,881 = 20,881 : x
  2. Step 2: Convert to fraction form
    14,065/20,881 = 20,881/x
  3. Step 3: Cross multiply
    14,065x = 20,881 × 20,881
  4. Step 4: Simplify right side
    14,065x = 436,016,161
  5. Step 5: Solve for x
    x = 436,016,161/14,065
  6. Step 6: Final answer
    x = 31,000.08

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.