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Finding the Third Proportional to 13,964 and 20,706

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Solution

The third proportional to 13,964 and 20,706 is: 30,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964 : 20,706 = 20,706 : x
  2. Step 2: Convert to fraction form
    13,964/20,706 = 20,706/x
  3. Step 3: Cross multiply
    13,964x = 20,706 × 20,706
  4. Step 4: Simplify right side
    13,964x = 428,738,436
  5. Step 5: Solve for x
    x = 428,738,436/13,964
  6. Step 6: Final answer
    x = 30,703.12

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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.