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Finding the Third Proportional to 14,371 and 20,998

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Solution

The third proportional to 14,371 and 20,998 is: 30,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371 : 20,998 = 20,998 : x
  2. Step 2: Convert to fraction form
    14,371/20,998 = 20,998/x
  3. Step 3: Cross multiply
    14,371x = 20,998 × 20,998
  4. Step 4: Simplify right side
    14,371x = 440,916,004
  5. Step 5: Solve for x
    x = 440,916,004/14,371
  6. Step 6: Final answer
    x = 30,680.95

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.